/ Dictionary / Index B benthon: Meaning and Definition of Find definitions for: ben•thon Pronunciation: (ben'thon), [key] — n. the aggregate of organisms that live on or in the benthos. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. benthic benthos Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language