I. noun
Usage: usually capitalized C
Etymology: translation of German weihnachtsbaum or Christbaum
1. : a usually small evergreen tree customarily decorated at Christmas with ornaments and lights and often when in the home with Christmas presents around the base
2.
a. : christmas bush
b. New Zealand : pohutukawa
c. : any of several evergreen trees of the north temperate zone especially of the genera Abies and Picea
3. dialect : a Christmas gathering or celebration
4. : an oil-well control manifold consisting of an assembly of fittings (as valves, clamps, anchors, and connections) placed on the casinghead of a flowing well to control its production
5. slang : a submarine control-room panel of red and green lights that flash on and off to indicate valve conditions
II. noun
Usage: usually capitalized C
: a legislative bill under consideration especially near the end of a session that contains a variety of amendments unrelated to the main purpose of the bill