[1] : The Collaborative International Dictionary of English v.0.48

solar \so"lar\, a. l. solaris, fr. sol the sun; akin to as.
   s=ol, icel. s=ol, goth. sauil, lith. saule, w. haul,.
   sul, skr. svar, perhaps to e. sun:f. solaire. cf. parasol.
   sun.
   1. of or pertaining to the sun; proceeding from the sun; as,
      the solar system; solar light; solar rays; solar
      influence. see solar system, below.
      1913 webster

   2. astrol. born under the predominant influence of the sun.
      obs.
      1913 webster

            and proud beside, as solar people are. --dryden.
      1913 webster

   3. measured by the progress or revolution of the sun in the
      ecliptic; as, the solar year.
      1913 webster

   4. produced by the action of the sun, or peculiarly affected
      by its influence.
      1913 webster

            they denominate some herbs solar, and some lunar.
                                                  --bacon.
      1913 webster

   solar cycle. see under cycle.

   solar day. see day, 2.

   solar engine, an engine in which the energy of solar heat
      is used to produce motion, as in evaporating water for a
      steam engine, or expanding air for an air engine.

   solar flowers bot., flowers which open and shut daily at
      certain hours.

   solar lamp, an argand lamp.

   solar microscope, a microscope consisting essentially,
      first, of a mirror for reflecting a beam of sunlight
      through the tube, which sometimes is fixed in a window
      shutter; secondly, of a condenser, or large lens, for
      converging the beam upon the object; and, thirdly, of a
      small lens, or magnifier, for throwing an enlarged image
      of the object at its focus upon a screen in a dark room or
      in a darkened box.
      1913 webster
      1913 webster

   solar month. see under month.

   solar oil, a paraffin oil used an illuminant and lubricant.
      

   solar phosphori physics, certain substances, as the
      diamond, siulphide of barium bolognese or bologna
      phosphorus, calcium sulphide, etc., which become
      phosphorescent, and shine in the dark, after exposure to
      sunlight or other intense light.

   solar plexus anat., a nervous plexus situated in the
      dorsal and anterior part of the abdomen, consisting of
      several sympathetic ganglia with connecting and radiating
      nerve fibers; -- so called in allusion to the radiating
      nerve fibers.

   solar spots. see sun spots, under sun.

   solar system astron., the sun, with the group of
      celestial bodies which, held by its attraction, revolve
      round it. the system comprises the major planets, with
      their satellites; the minor planets, or asteroids, and the
      comets; also, the meteorids, the matter that furnishes the
      zodiacal light, and the rings of saturn. the satellites
      that revolve about the major planets are twenty-two in
      number, of which the earth has one see moon., mars
      two, jupiter five, saturn nine, uranus four, and neptune
      one. the asteroids, between mars and jupiter, thus far
      discovered 1900, number about five hundred, the first
      four of which were found near the beginning of the
      century, and are called ceres, pallas, juno, and vesta.
      1913 webster

   note: the principal elements of the major planets, and of the
         comets seen at more than one perihelion passage, are
         exhibited in the following tables: 
         1913 webster i. -- major planets. symbol.name.mean
         distance -- that of the earth being unity.period in
         days.eccentricity.inclination of orbit.diameter in
         miles ?????????????????????
         1913 webster ii. -- periodic comets. name.greatest
         distance from sun.least distance from sun.inclination
         of orbit.perihelion passage. deg min 54
         encke's3.314.100.34212 541885.2 ?????????????????????
         1913 webster

   solar telegraph, telegraph for signaling by flashes of
      reflected sunlight.

   solar time. see apparent time, under time.
      1913 webster
see also:
parasol sun solar system solar cycle cycle solar day 
day solar engine solar flowers solar lamp solar microscope 
solar month month solar oil solar phosphori solar plexus 
solar spots sun spots moon solar telegraph solar time 
apparent time time 

[2] : The Collaborative International Dictionary of English v.0.48

day \day\ d=a, n. oe. day, dai, dei, as. daeg; akin to
   os., d., dan.,  sw. dag, g. tag, icel. dagr, goth. dags; cf.
   skr. dah for dhagh ? to burn. root69. cf. dawn.
   1. the time of light, or interval between one night and the
      next; the time between sunrise and sunset, or from dawn to
      darkness; hence, the light; sunshine; -- also called
      daytime.
      1913 webster +pjc

   2. the period of the earth's revolution on its axis. --
      ordinarily divided into twenty-four hours. it is measured
      by the interval between two successive transits of a
      celestial body over the same meridian, and takes a
      specific name from that of the body. thus, if this is the
      sun, the day the interval between two successive transits
      of the sun's center over the same meridian is called a
      solar day; if it is a star, a sidereal day; if it is
      the moon, a lunar day. see civil day, sidereal day,
      below.
      1913 webster

   3. those hours, or the daily recurring period, allotted by
      usage or law for work.
      1913 webster

   4. a specified time or period; time, considered with
      reference to the existence or prominence of a person or
      thing; age; time.
      1913 webster

            a man who was great among the hellenes of his day.
                                                  --jowett
                                                  thucyd. 
      1913 webster

            if my debtors do not keep their day, . . .
            i must with patience all the terms attend. --dryden.
      1913 webster

   5. preceded by the some day in particular, as some day of
      contest, some anniversary, etc.
      1913 webster

            the field of agincourt,
            fought on the day of crispin crispianus. --shak.
      1913 webster

            his name struck fear, his conduct won the day.
                                                  --roscommon.
      1913 webster

   note: day is much used in self-explaining compounds; as,
         daybreak, daylight, workday, etc.
         1913 webster

   anniversary day. see anniversary, n.

   astronomical day, a period equal to the mean solar day, but
      beginning at noon instead of at midnight, its twenty-four
      hours being numbered from 1 to 24; also, the sidereal day,
      as that most used by astronomers.

   born days. see under born.

   canicular days. see dog day.

   civil day, the mean solar day, used in the ordinary
      reckoning of time, and among most modern nations beginning
      at mean midnight; its hours are usually numbered in two
      series, each from 1 to 12. this is the period recognized
      by courts as constituting a day. the babylonians and
      hindoos began their day at sunrise, the athenians and jews
      at sunset, the ancient egyptians and romans at midnight.
      

   day blindness. med. see nyctalopia.

   day by day, or day after day, daily; every day;
      continually; without intermission of a day. see under
      by. "day by day we magnify thee." --book of common
      prayer.

   days in bank eng. law, certain stated days for the return
      of writs and the appearance of parties; -- so called
      because originally peculiar to the court of common bench,
      or bench bank as it was formerly termed. --burrill.

   day in court, a day for the appearance of parties in a
      suit.

   days of devotion r. c. ch., certain festivals on which
      devotion leads the faithful to attend mass. --shipley.

   days of grace. see grace.

   days of obligation r. c. ch., festival days when it is
      obligatory on the faithful to attend mass. --shipley.

   day owl, zool., an owl that flies by day. see hawk owl.
      

   day rule eng. law, an order of court now abolished
      allowing a prisoner, under certain circumstances, to go
      beyond the prison limits for a single day.

   day school, one which the pupils attend only in daytime, in
      distinction from a boarding school.

   day sight. med. see hemeralopia.

   day's work naut., the account or reckoning of a ship's
      course for twenty-four hours, from noon to noon.

   from day to day, as time passes; in the course of time; as,
      he improves from day to day.

   jewish day, the time between sunset and sunset.

   mean solar day astron., the mean or average of all the
      apparent solar days of the year.

   one day, one of these days, at an uncertain time, usually
      of the future, rarely of the past; sooner or later. "well,
      niece, i hope to see you one day fitted with a husband."
      --shak.

   only from day to day, without certainty of continuance;
      temporarily. --bacon.

   sidereal day, the interval between two successive transits
      of the first point of aries over the same meridian. the
      sidereal day is 23 h. 56 m. 4.09 s. of mean solar time.

   to win the day, to gain the victory, to be successful. --s.
      butler.

   week day, any day of the week except sunday; a working day.
      

   working day.
      a a day when work may be legally done, in distinction
          from sundays and legal holidays.
      b the number of hours, determined by law or custom,
          during which a workman, hired at a stated price per
          day, must work to be entitled to a day's pay.
          1913 webster
see also:
dawn daytime solar day sidereal day lunar day civil day 
sidereal day anniversary day anniversary astronomical day born days 
born canicular days dog day day blindness nyctalopia 
day by day day after day by days in bank day in court 
days of devotion days of grace grace days of obligation day owl 
hawk owl day rule day school day sight hemeralopia 
day's work from day to day jewish day mean solar day one day 
one of these days only from day to day to win the day week day working day 

[3] : WordNet (r) 2.0

solar day
     n : time for earth to make a complete rotation on its axis; "two
         days later they left"; "they put on two performances
         every day"; "there are 30,000 passengers per day" syn: day,
          twenty-four hours, mean solar day
see also:
day twenty-four hours mean solar day 

Day >> D Words
Day, definition of term: Day
day_pag1.html

Day Care >> D Words
Day Care, definition of term: Day Care
day+care_pag1.html

Day Off >> D Words
Day Off, definition of term: Day Off
day+off_pag1.html

Columbus Day >> C Words
Columbus Day, definition of term: Columbus Day
columbus+day_pag1.html

Christmas Day >> C Words
Christmas Day, definition of term: Christmas Day
christmas+day_pag1.html

Boxing Day >> B Words
Boxing Day, definition of term: Boxing Day
boxing+day_pag1.html

Arbor Day >> A Words
Arbor Day, definition of term: Arbor Day
arbor+day_pag1.html

Bastille Day >> B Words
Bastille Day, definition of term: Bastille Day
bastille+day_pag1.html

Armistice Day >> A Words
Armistice Day, definition of term: Armistice Day
armistice+day_pag1.html

Bissextile Day >> B Words
Bissextile Day, definition of term: Bissextile Day
bissextile+day_pag1.html

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