emcee
noun
em·cee
| \ ˌem-ˈsē
\
\
plural emcees
Definition of emcee
(Entry 1 of 2)
: master of ceremonies
especially
: a person who acts as host for a program of entertainment
The emcee primes the crowd and rock music pulses, bolstered by lasers and fireworks. — Allison Glock