Meaning of "christmas" tree

a real or artificial evergreen tree set up and decorated with lights and ornaments as part of Christmas celebrations.

Christmas tree

Christmas tree
n.
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.

Christmas tree

Christmas tree
n
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

Christ′mas tree`

Christ′mas tree` n.
an evergreen tree decorated at Christmastime with ornaments and lights.
[1780–90, Amer.]