Breadcrumb Home > Dictionary > Index C co-host: Meaning and Definition of Find definitions for: co-host Pronunciation: (v.kō hōst', kō'hōst"n.kō'hōst"), [key] — Radio and Television. Radio and Television. —v.t., v.i. to host (a program) jointly with another. —n. a person who co-hosts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cohosh cohune TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language