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Christmas tree

American  

noun

  1. an evergreen tree decorated at Christmas with ornaments and lights.

  2. a control board or panel containing a variety of colored lights for indicating the status of various functions, elements, components, etc.

  3. an elaborate arrangement of pipes, valves, etc., as for controlling the flow of oil or gas.

Christmas tree British  

noun

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

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

  3. another name for pohutukawa

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Christmas tree

An Americanism dating back to 1780–90

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.