Show host (7)
'show host' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for emcee that I've seen before include "show director" , "MC" , "Compre" , "I announce" , "Presenter" .)
(Other definitions for compere that I've seen before include "host show" , "(Male) show introducer" , "Master of ceremonies" , "M.C." , "TV presenter?" .)