Meaning of co-host

co-host

Pronunciation: (v.kō hōst', kō'hōst"n.kō'hōst"), [key]
— Radio and Television. Radio and Television.
—v.t., v.i.
  1. to host (a program) jointly with another.
—n.
  1. a person who co-hosts.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.