/ Dictionary / Index S Siberian crab apple: Meaning and Definition of Find definitions for: Sibe'rian crab' ap"ple Pronunciation: [key] a hardy, round-headed tree, Malus baccata, of northern Asia, having white flowers and yellow or red fruit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Siberia Siberian high 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