Christmas tree

noun

plural Christmas trees

1

: a usually evergreen tree decorated at Christmas

2

: an oil-well control device consisting of an assembly of fittings placed at the top of the well

3

drag racing : a set of paired colored lights arranged in two columns on a vertical pole in front of the starting line and used for starting a race

Lights on top of the Christmas tree tell the drivers to enter the staging area. Larger yellow lights mean, "get ready." The green light means "go!"

—Lori Polydoros

Examples of Christmas tree in a Sentence

We hung the lights on the Christmas tree.

Recent Examples on the Web

For example, a 6.5-meter-high Christmas tree built for retailer Habitat was sustainably crafted using perspex and steel. —Forbes, 13 Jan. 2025

The season of garland, Christmas trees, and stockings may be over, but that’s no reason to fully shelve your tote of holiday decorating supplies. —Abigail Wilt, Southern Living, 13 Jan. 2025

There are also more practical finds to shop, including a multi-outlet surge protector for high tech traffic areas of the house, and a handy Christmas tree storage bag to safely stow your most important decoration of the season. —Clara McMahon, People.com, 11 Jan. 2025

If your Christmas tree is missing a present, these gifts will keep you on the nice list. —Simon Hill, WIRED, 10 Jan. 2025

Word History

First Known Use

1826, in the meaning defined at sense 1

Kids Definition

Christmas tree

noun

: a usually evergreen tree decorated at Christmas