/ Dictionary / Index A anadromous: Meaning and Definition of Find definitions for: a•nad•ro•mous Pronunciation: (u-nad'ru-mus), [key] — adj. (of fish) migrating from salt water to spawn in fresh water, as salmon of the genera Salmo and Oncorhynchus (distinguished from catadromous). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: anadromous (Thesaurus) anadiplosis Anadyr Range Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language