1. An ornamented evergreen used as a Christmas decoration
    
2. Tall timber tree of central and southern Europe having a regular crown and grey bark
   - European silver fir, Abies alba
    
3. Medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed
   "Christmas trees tower in the mountain forests";
   - amabilis fir, white fir, Pacific silver fir, red silver fir, Abies amabilis
    
4. Australian tree or shrub with red flowers; often used in Christmas decoration
   - Christmas bush, Ceratopetalum gummiferum
    
5. A terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses
   - flame tree, fire tree, Nuytsia floribunda

Derived forms: Christmas trees

Type of: decoration, ornament, ornamentation, parasitic plant, silver fir, tree

Part of: Ceratopetalum, genus Ceratopetalum, genus Nuytsia, Nuytsia

Encyclopedia: Christmas tree