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white fir

noun
  1. a tall, narrow fir, Abies concolor, of western North America, yielding a soft wood used for lumber, pulp, boxes, etc.
  2. the wood of this tree.
  3. any of various similar firs of western North America, or their wood.
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Origin of white fir

An Americanism dating back to 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018