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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.


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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

His co-host cracked that the baby was writing a message.

From The Wall Street Journal Sep. 16, 2026

McGillivray's co-host Simon Stacey, who has been following the club for 40 years, points out that Northampton fans have seen first hand the risks that players run for their rewards.

From BBC Sep. 16, 2026

She then told co-host Willie Geist she will not pass up a moment to speak about her mother.

From Los Angeles Times Sep. 15, 2026

Scott promoted Tarlov to co-host right before she was due to give birth to her first child.

From Los Angeles Times Sep. 14, 2026

In 1975 he became the traveling co-host of Good Morning America on ABC network; in the 20 months that followed, his assignments took him to more than two dozen countries.

From 100 New Yorkers of the 1970s by Max Millard

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