Definition of Douglas fir
: any of a genus (Pseudotsuga) of tall evergreen timber trees of the pine family having thick bark, pitchy wood, and pendulous cones; especially : one (P. menziesii synonym P. taxifolia) chiefly of the western U.S. — see cone illustration
Origin and Etymology of douglas fir
David Douglas †1834 Scottish botanist
First Known Use: 1873
DOUGLAS FIR Defined for English Language Learners
Definition of Douglas fir for English Language Learners
: a very tall evergreen tree that grows in the western U.S.
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