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

easter \eas"ter\ =es"t~er, n. as. e'aster, e'astran,
   paschal feast, easter; akin to g. ostern; fr. as. e'astre,
   a goddess of light or spring, in honor of whom a festival was
   celebrated in april; whence this month was called in as.
   e'asterm=onaeth. from the root of e. east. see east.
   1. an annual church festival commemorating christ's
      resurrection, and occurring on sunday, the second day
      after good friday. it corresponds to the pascha or
      passover of the jews, and most nations still give it this
      name under the various forms of pascha, pasque,
      p^aque, or pask.
      1913 webster

   2. the day on which the festival is observed; easter day.
      1913 webster

   note: easter is used either adjectively or as the first
         element of a compound; as, easter day or easter-day,
         easter sunday, easter week, easter gifts, easter eggs.
         1913 webster

               sundays by thee more glorious break,
               an easter day in every week.       --keble.
         1913 webster

   note: easter day, on which the rest of the movable feasts
         depend, is always the first sunday after the fourteenth
         day of the calendar moon which fourteenth day falls
         on, or next after, the 21st of march, according to the
         rules laid down for the construction of the calendar;
         so that if the fourteenth day happen on a sunday,
         easter day is the sunday after. --eng. cyc.
         1913 webster

   easter dues ch. of eng., money due to the clergy at
      easter, formerly paid in communication of the tithe for
      personal labor and subject to exaction. for easter dues,
      easter offerings, voluntary gifts, have been substituted.
      

   easter egg.
      a a painted or colored egg used as a present at easter.
      b an imitation of an egg, in sugar or some fine
          material, sometimes made to serve as a box for jewelry
          or the like, used as an easter present.
          1913 webster
see also:
east pascha pasque p^aque pask easter dues 
easter egg 

[2] : WordNet (r) 2.0

easter egg
     n 1: an egg-shaped candy used to celebrate easter
     2: a colored hard-boiled egg used to celebrate easter

[3] : Jargon File (4.3.1, 29 Jun 2001)

easter egg n. from the custom of the easter egg hunt observed in the
   u.s. and many parts of europe 1. a message hidden in the object code of
   a program as a joke, intended to be found by persons disassembling or
   browsing the code. 2. a message, graphic, or sound effect emitted by a
   program or, on a pc, the bios rom in response to some undocumented set
   of commands or keystrokes, intended as a joke or to display program
   credits. one well-known early easter egg found in a couple of oses
   caused them to respond to the command `make love' with `not war?'. many
   personal computers have much more elaborate eggs hidden in rom,
   including lists of the developers' names, political exhortations,
   snatches of music, and in one case graphics images of the entire
   development team.

[4] : The Free On-line Dictionary of Computing (27 SEP 03)

easter egg
     
         from the custom of the easter egg hunt observed in
        the us and many parts of europe
     
        1. a message hidden in the object code of a program as a
        joke, intended to be found by persons disassembling or
        browsing the code.
     
        2. a message, graphic, sound effect, or other behaviour
        emitted by a program or, on an ibm pc, the bios rom in
        response to some undocumented set of commands or keystrokes,
        intended as a joke or to display program credits.
     
        one well-known early easter egg found in a couple of
        operating systems caused them to respond to the command
        "make love" with "not war?".  many personal computers, and
        even satellite control computers, have much more elaborate
        eggs hidden in rom, including lists of the developers' names
        e.g. microsoft windows 3.1x, political exhortations and
        snatches of music.  the tandy color computer 3 coco had
        images of the entire development team.  microsoft excel 97
        includes a flight simulator
     
        http://www.eeggs.com/.
     
        jargon file
     
        2003-06-23
     
     
see also:
object code ibm pc bios rom operating systems personal computers 
microsoft windows tandy coco excel lt;http://www.eeggs.com/gt; jargon file 

Easter Egg >> E Words
Easter Egg, definition of term: Easter Egg
easter+egg_pag1.html

Easter >> E Words
Easter, definition of term: Easter
easter_pag1.html

Deviled Egg >> D Words
Deviled Egg, definition of term: Deviled Egg
deviled+egg_pag1.html