Comperes (5)
'comperes' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for hosts that I've seen before include "Shots fired at party givers" , "They invite and entertain guests" , "Multitudes" , "Those giving a party" , "those entertaining guests" .)
(Other definitions for presenters that I've seen before include "Linkmen" , "Announcers" , "Frontmen" , "Such as DJs" .)