/ Dictionary / Index R radiobroadcast: Meaning and Definition of Find definitions for: ra•di•o•broad•cast Pronunciation: (n.rā'dē-ō-brôd"kast, -kästv.rā"dē-ō-brôd'kast", -käst"), [key] — n., v., -cast -cast•ed, -cast•ing. —n. a broadcast by radio. —v.t., v.i. to broadcast by radio. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. radiobiology radio car Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language