/ Dictionary / Index S streambed: Meaning and Definition of Find definitions for: stream•bed Pronunciation: (strēm'bed"), [key] — n. the channel in which a stream flows or formerly flowed. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: streambed (Thesaurus) stream stream capture Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language