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.