/ Dictionary / Index S Siberia: Meaning and Definition of Find definitions for: Si•be•ri•a Pronunciation: (sī-bēr'ē-u), [key] — n. Russian,an extensive region in the Russian Federation in N Asia, extending from the Ural Mountains to the Pacific. any undesirable or isolated locale, job, etc., to which one is assigned as punishment, a mark of disfavor, or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: siberia (Thesaurus) Sibelius Siberian crab apple 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