Douglas firDouglas fir
any of a genus (Pseudotsuga) of giant evergreen trees of the pine family, found in W North America and valued for their wood, esp. a popular Christmas tree (P. menziesii)
Origin of Douglas firafter D. Douglas (1798-1834), Scottish botanist in United States
Any of several tall evergreen conifers of the genus Pseudotsuga, especially P. menziesii of western North America.
Origin of Douglas firAfter David Douglas, (1798–1834), Scottish botanist.
(usually uncountable, plural Douglas firs)
(usually uncountable, plural Douglas-firs)
- Alternative form of Douglas fir.