Meaning of christmas tree

Definition of christmas tree

(noun) Australian tree or shrub with red flowers; often used in Christmas decoration
a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses
tall timber tree of central and southern Europe having a regular crown and grey bark
medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed
an ornamented evergreen used as a Christmas decoration

Other information on christmas tree

WIKIPEDIA results for christmas tree
Amazon results for christmas tree