Cohost

noun, verb

noun, verb ·2 syllables ·Rare ·Advanced level

Definitions

Noun

1
A joint host alongside another (compare costar).
"A morning TV anchor in Oklahoma apologized a day after likening her black cohost to a gorilla."

Verb

1
To act as a joint host.
2
To store data or applications on a shared server (as in web hosting). transitive
"Generally speaking, in a shared computing system, such as a server farm shared by multiple cohosted Web sites, common resources can be categorized into two different types: those shared in time and those shared in space."

Example

"A morning TV anchor in Oklahoma apologized a day after likening her black cohost to a gorilla."

Etymology

From co- + host.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.