/ Dictionary / Index N noble fir: Meaning and Definition of Find definitions for: no'ble fir' Pronunciation: [key] a fir, Abies procera, of the northwestern U.S., which may grow to a height of 250 ft. (76 m). the soft, light wood of this tree, used for pulpwood and plywood. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. noble noble gas Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language