Enter a clue or pattern or both:
The Clue
Ones making intros (3 letter answer)
The Answer
MCS
Tags
Notes
The answer MCS is common and appears about once every 325 puzzles.
Related Clues
Hosts
Banquet V.I.P.'s
D.J.'s, at times
Hosts, briefly
Hosts, for short
Intro deliverers
Intro providers
Mic holders
Mike holders
Roast leaders
Roast-masters
Roast V.I.P.'s
Toastmasters: Abbr.
Toastmasters, for short
Game show V.I.P.'s
Hosts on TV shows
Night-spot hosts
Nite-spot greeters
Roast hosts, briefly
Roast hosts, for short
Runs the show, for short
Show hosts, for short
Some hosts, for short
TV hosts, briefly
Variety show overseers
Ed Sullivan and others, informally
Hell's Angels' wheels: Abbr.
Introducers of a show's acts, e.g.
Ones putting on a show, for short
They may start affairs
Definition
MC as a noun:
1. (megahertz, MHz, megacycle per second, megacycle, Mc) = one million periods per second