Christmas tree

1. An evergreen or artificial tree decorated, as with lights and ornaments, during the Christmas season.

2. A device that consists of pipes and valves and caps a producing natural gas or oil well in order to control its flow.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Christmas tree

1. (Plants) an evergreen tree or an imitation of one, decorated as part of Christmas celebrations

2. (Plants) Also called: Christmas bush Austral any of various trees or shrubs flowering at Christmas and used for decoration

3. (Plants) another name for pohutukawa

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Christ′mas tree`

an evergreen tree decorated at Christmastime with ornaments and lights.

[1780–90, Amer.]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun	1.	Christmas tree - Australian tree or shrub with red flowers; often used in Christmas decoration Ceratopetalum gummiferum, Christmas bush Ceratopetalum, genus Ceratopetalum - a dicotyledonous genus of the family Cunoniaceae tree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
	2.	Christmas tree - a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses fire tree, flame tree, Nuytsia floribunda genus Nuytsia, Nuytsia - one species parasitic plant - plant living on another plant and obtaining organic nutriment from it
	3.	Christmas tree - tall timber tree of central and southern Europe having a regular crown and grey bark Abies alba, European silver fir silver fir - any of various true firs having leaves white or silvery white beneath
	4.	Christmas tree - medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed Abies amabilis, amabilis fir, Pacific silver fir, red silver fir, white fir silver fir - any of various true firs having leaves white or silvery white beneath
	5.	Christmas tree - an ornamented evergreen used as a Christmas decoration decoration, ornament, ornamentation - something used to beautify