/ Dictionary / Index S spruce pine: Meaning and Definition of Find definitions for: spruce' pine" Pronunciation: [key] a tall coniferous tree, Pinus glabra, of the southeastern U.S., having smooth, gray bark and needles in bundles of two. any of several other pines, as P. elliottii or P. virginiana. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spruce grouse spruce sawfly Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language