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

christmas \christ"mas\, n. christ + mass.
   an annual church festival december 25 and in some states a
   legal holiday, in memory of the birth of christ, often
   celebrated by a particular church service, and also by
   special gifts, greetings, and hospitality.
   1913 webster

   christmas box.
   a a box in which presents are deposited at christmas.
   b a present or small gratuity given to young people and
       servants at christmas; a christmas gift.

   christmas carol, a carol sung at, or suitable for,
      christmas.

   christmas day. same as christmas.

   christmas eve, the evening before christmas.

   christmas fern bot., an evergreen north american fern
      aspidium acrostichoides, which is much used for
      decoration in winter.

   christmas flower, christmas rose, the black hellebore, a
      poisonous plant of the buttercup family, which in southern
      europe often produces beautiful roselike flowers
      midwinter.

   christmas tree, a small evergreen tree, set up indoors, to
      be decorated with bonbons, presents, etc., and illuminated
      on christmas eve.
      1913 webster
see also:
christmas box christmas carol christmas day christmas christmas eve christmas fern 
aspidium acrostichoides christmas flower christmas rose christmas tree 

[2] : WordNet (r) 2.0

christmas tree
     n 1: australian tree or shrub with red flowers; often used in
          christmas decoration syn: christmas bush, ceratopetalum
          gummiferum
     2: a terrestrial evergreen shrub or small tree of western
        australia having brilliant yellow-orange flowers;
        parasitic on roots of grasses syn: flame tree, fire
        tree, nuytsia floribunda
     3: tall timber tree of central and southern europe having a
        regular crown and gray bark syn: european silver fir, abies
        alba
     4: medium to tall fir of western north america having a conic
        crown and branches in tiers; leaves smell of orange when
        crushed syn: amabilis fir, white fir, pacific silver
        fir, red silver fir, abies amabilis
     5: an ornamented evergreen used as a christmas decoration
see also:
christmas bush ceratopetalum gummiferum flame tree fire tree nuytsia floribunda european silver fir 
abies alba amabilis fir white fir pacific silver fir red silver fir 
abies amabilis 

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

christmas tree n. a kind of rs-232 line tester or breakout box
   featuring rows of blinking red and green leds suggestive of christmas
   lights.

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

christmas tree
     
        a kind of eia-232 line tester or breakout box featuring rows of
        blinking red and green leds suggestive of christmas lights.
     
        jargon file
     
     
see also:
jargon file 

Christmas Tree >> C Words
Christmas Tree, definition of term: Christmas Tree
christmas+tree_pag1.html

Christmas >> C Words
Christmas, definition of term: Christmas
christmas_pag1.html

Christmas Cactu >> C Words
Christmas Cactu, definition of term: Christmas Cactu
christmas+cactu_pag1.html

Christmas Card >> C Words
Christmas Card, definition of term: Christmas Card
christmas+card_pag1.html

Christmas Carol >> C Words
Christmas Carol, definition of term: Christmas Carol
christmas+carol_pag1.html

Christmas Flowe >> C Words
Christmas Flowe, definition of term: Christmas Flowe
christmas+flowe_pag1.html

Christmas Eve >> C Words
Christmas Eve, definition of term: Christmas Eve
christmas+eve_pag1.html

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

Cherry Tree >> C Words
Cherry Tree, definition of term: Cherry Tree
cherry+tree_pag1.html

Chinaberry Tree >> C Words
Chinaberry Tree, definition of term: Chinaberry Tree
chinaberry+tree_pag1.html

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