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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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A few days earlier, activists from the group targeted the Ritz Hotel, dumping bags of manure beside its Christmas tree.

From BBC • Mar. 5, 2026

The lawns often serve as activity centers where malls hold kid concerts, adult exercise classes and Christmas tree lighting events.

From Los Angeles Times • Mar. 3, 2026

“I don’t want to be mean, but … the Christmas tree is up,” Sugarman continued, looking at the snap.

From MarketWatch • Feb. 20, 2026

Takaichi made cookies and origami animals for the office staff, said Ramlow, who keeps two paper cranes Takaichi made and hangs them on a Christmas tree every year.

From The Wall Street Journal • Feb. 6, 2026

Her face lit up like a Christmas tree.

From "Gregor the Overlander" by Suzanne Collins