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

solid \sol"id\ so^l"i^d, a. l. solidus, probably akin to
   sollus whole, entire, gr. ???: cf. f. solide. cf.
   consolidate,soda, solder, soldier, solemn.
   1. having the constituent parts so compact, or so firmly
      adhering, as to resist the impression or penetration of
      other bodies; having a fixed form; hard; firm; compact; --
      opposed to fluid and liquid or to plastic, like
      clay, or to incompact, like sand.
      1913 webster

   2. not hollow; full of matter; as, a solid globe or cone, as
      distinguished from a hollow one; not spongy; dense;
      hence, sometimes, heavy.
      1913 webster

   3. arith. having all the geometrical dimensions; cubic; as,
      a solid foot contains 1,728 solid inches.
      1913 webster

   note: in this sense, cubics now generally used.
         1913 webster

   4. firm; compact; strong; stable; unyielding; as, a solid
      pier; a solid pile; a solid wall.
      1913 webster

   5. applied to a compound word whose parts are closely united
      and form an unbroken word; -- opposed to hyphened.
      1913 webster

   6. fig.: worthy of credit, trust, or esteem; substantial, as
      opposed to frivolous or fallacious; weighty; firm;
      strong; valid; just; genuine.
      1913 webster

            the solid purpose of a sincere and virtuous answer.
                                                  --milton.
      1913 webster

            these, wanting wit, affect gravity, and go by the
            name of solid men.                    --dryden.
      1913 webster

            the genius of the italians wrought by solid toil
            what the myth-making imagination of the germans had
            projected in a poem.                  --j. a.
                                                  symonds.
      1913 webster

   7. sound; not weakly; as, a solid constitution of body. --i.
      watts.
      1913 webster

   8. bot. of a fleshy, uniform, undivided substance, as a
      bulb or root; not spongy or hollow within, as a stem.
      1913 webster

   9. metaph. impenetrable; resisting or excluding any other
      material particle or atom from any given portion of space;
      -- applied to the supposed ultimate particles of matter.
      1913 webster

   10. print. not having the lines separated by leads; not
       open.
       1913 webster

   11. united; without division; unanimous; as, the delegation
       is solid for a candidate. polit. cant. u.s.
       1913 webster

   solid angle. geom. see under angle.

   solid color, an even color; one not shaded or variegated.
      

   solid green. see emerald green
       a, under green.

   solid measure arith., a measure for volumes, in which the
      units are each a cube of fixed linear magnitude, as a
      cubic foot, yard, or the like; thus, a foot, in solid
      measure, or a solid foot, contains 1,728 solid inches.

   solid newel arch., a newel into which the ends of winding
      stairs are built, in distinction from a hollow newel. see
      under hollow, a.

   solid problem geom., a problem which can be construed
      geometrically, only by the intersection of a circle and a
      conic section or of two conic sections. --hutton.

   solid square mil., a square body or troops in which the
      ranks and files are equal.
      1913 webster

   syn: hard; firm; compact; strong; substantial; stable; sound;
        real; valid; true; just; weighty; profound; grave;
        important.

   usage: solid, hard. these words both relate to the
          internal constitution of bodies; but hardnotes a more
          impenetrable nature or a firmer adherence of the
          component parts than solid. hard is opposed to soft,
          and solid to fluid, liquid, open, or hollow. wood is
          usually solid; but some kinds of wood are hard, and
          others are soft.
          1913 webster

                repose you there; while i return to this hard
                house,
                more harder than the stones whereof 't is
                raised.                           --shak.
          1913 webster

                i hear his thundering voice resound,
                and trampling feet than shake the solid ground.
                                                  --dryden.
          1913 webster
see also:
consolidate soda solder soldier solemn fluid 
liquid plastic incompact hollow hyphened 
frivolous fallacious solid angle angle solid color 
solid green emerald green green solid measure solid newel 
hollow solid problem solid square solid hard 

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

angle \an"gle\ a^ng"g'l, n. f. angle, l. angulus angle,
   corner; akin to uncus hook, gr. 'agky`los bent, crooked,
   angular, 'a`gkos a bend or hollow, as. angel hook, fish-hook,
   g. angel, and f. anchor.
   1. the inclosed space near the point where two lines meet; a
      corner; a nook.
      1913 webster

            into the utmost angle of the world.   --spenser.
      1913 webster

            to search the tenderest angles of the heart.
                                                  --milton.
      1913 webster

   2. geom.
      a the figure made by. two lines which meet.
      b the difference of direction of two lines. in the lines
          meet, the point of meeting is the vertex of the angle.
          1913 webster

   3. a projecting or sharp corner; an angular fragment.
      1913 webster

            though but an angle reached him of the stone.
                                                  --dryden.
      1913 webster

   4. astrol. a name given to four of the twelve astrological
      "houses." obs. --chaucer.
      1913 webster

   5. as. angel. a fishhook; tackle for catching fish,
      consisting of a line, hook, and bait, with or without a
      rod.
      1913 webster

            give me mine angle: we 'll to the river there.
                                                  --shak.
      1913 webster

            a fisher next his trembling angle bears. --pope.
      1913 webster

   acute angle, one less than a right angle, or less than
      90deg.

   adjacent or contiguous angles, such as have one leg
      common to both angles.

   alternate angles. see alternate.

   angle bar.
      a carp. an upright bar at the angle where two faces of
          a polygonal or bay window meet. --knight.
      b mach. same as angle iron.

   angle bead arch., a bead worked on or fixed to the angle
      of any architectural work, esp. for protecting an angle of
      a wall.

   angle brace, angle tie carp., a brace across an
      interior angle of a wooden frame, forming the hypothenuse
      and securing the two side pieces together. --knight.

   angle iron mach., a rolled bar or plate of iron having
      one or more angles, used for forming the corners, or
      connecting or sustaining the sides of an iron structure to
      which it is riveted.

   angle leaf arch., a detail in the form of a leaf, more or
      less conventionalized, used to decorate and sometimes to
      strengthen an angle.

   angle meter, an instrument for measuring angles, esp. for
      ascertaining the dip of strata.

   angle shaft arch., an enriched angle bead, often having a
      capital or base, or both.

   curvilineal angle, one formed by two curved lines.

   external angles, angles formed by the sides of any
      right-lined figure, when the sides are produced or
      lengthened.

   facial angle. see under facial.

   internal angles, those which are within any right-lined
      figure.

   mixtilineal angle, one formed by a right line with a curved
      line.

   oblique angle, one acute or obtuse, in opposition to a
      right angle.

   obtuse angle, one greater than a right angle, or more than
      90deg.

   optic angle. see under optic.

   rectilineal or right-lined angle, one formed by two right
      lines.

   right angle, one formed by a right line falling on another
      perpendicularly, or an angle of 90deg measured by a
      quarter circle.

   solid angle, the figure formed by the meeting of three or
      more plane angles at one point.

   spherical angle, one made by the meeting of two arcs of
      great circles, which mutually cut one another on the
      surface of a globe or sphere.

   visual angle, the angle formed by two rays of light, or two
      straight lines drawn from the extreme points of an object
      to the center of the eye.

   for angles of commutation, draught, incidence,
   reflection, refraction, position, repose, fraction,
      see commutation, draught, incidence, reflection,
      refraction, etc.
      1913 webster
see also:
acute angle adjacent contiguous angles alternate angles alternate angle bar 
angle iron angle bead angle brace angle tie angle leaf 
angle meter angle shaft curvilineal angle external angles facial angle 
facial internal angles mixtilineal angle oblique angle obtuse angle 
optic angle optic rectilineal right-lined angle right angle 
solid angle spherical angle visual angle for angles of commutation draught 
incidence reflection refraction position repose 
fraction commutation draught incidence reflection 
refraction 

[3] : WordNet (r) 2.0

solid angle
     n : an angle formed by three or more planes intersecting at a
         common point the vertex

Angle >> A Words
Angle, definition of term: Angle
angle_pag1.html

Angle Bracket >> A Words
Angle Bracket, definition of term: Angle Bracket
angle+bracket_pag1.html

Angle Iron >> A Words
Angle Iron, definition of term: Angle Iron
angle+iron_pag1.html

Acute Angle >> A Words
Acute Angle, definition of term: Acute Angle
acute+angle_pag1.html

Dihedral Angle >> D Words
Dihedral Angle, definition of term: Dihedral Angle
dihedral+angle_pag1.html

Angle Of Attack >> A Words
Angle Of Attack, definition of term: Angle Of Attack
angle+of+attack_pag1.html

Angle Of Repose >> A Words
Angle Of Repose, definition of term: Angle Of Repose
angle+of+repose_pag1.html