co-host

American  

[koh-hohst, koh-hohst, koh-hohst] / ˌkoʊˈhoʊst, ˈkoʊˌhoʊst, ˈkoʊˌhoʊst /

Or cohost

verb (used with or without object)

1. to host (a program) jointly with at least one other person.

   It’s a daily talk show co-hosted by three women.

   They were a beloved comedy duo who cohosted on radio for 14 years before taking their variety hour to television.

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noun

1. a person who hosts a program jointly with at least one other person.

   Everyone was surprised when his co-host left the show at the peak of its popularity.

Etymology

Origin of co-host

First recorded in 1905–10 for the noun; co- ( def. ) + host ¹ ( def. )

Example Sentences

“I’m almost tearing up, here,” said Diallo, co-host of the “One Song” podcast, as he broke down “Sunshine’s” individual tracks in an April 2025 episode.

From Los Angeles Times • May 19, 2026

“First and foremost, I’m thinking about sun protection,” said James Harris, co-host of the men’s fashion podcast Throwing Fits.

From The Wall Street Journal • May 15, 2026

On this week’s Slate Plus bonus episode of Amicus, co-host Mark Joseph Stern discussed Thursday’s decision with Madiba Dennie, deputy editor of Balls and Strikes and author of The Originalism Trap.

From Slate • May 15, 2026

He was explaining his theories about bitcoin’s roller-coaster ride to David Lin, host of an eponymous podcast, and co-host Bonnie Chang in an episode aired Monday.

From MarketWatch • May 12, 2026

He's been co-host with Mike Douglas for three weeks and has appeared as a television guest with countless other celebrities.

From 100 New Yorkers of the 1970s by Millard, Max