Definition of "co-host"

co-host

/kəʊˈhəʊst/

noun
plural co-hosts
1. A joint host alongside another (compare co-star).
verb
third-person singular simple present co-hosts, present participle co-hosting, simple past and past participle co-hosted
1. To act as a joint host.
2. (computing) To store data on a shared server (as in web hosting).