资料来源 : pyDict

圣诞树

资料来源 : Webster's Revised Unabridged Dictionary (1913)

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.

   {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.

资料来源 : WordNet®

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

资料来源 : Free On-Line Dictionary of Computing

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}]