Definition from Wiktionary, the free dictionary
frontman (plural frontmen)
- A person acting as the public face of some other, covert group.
- The lead male singer in a band.
2012 August 21, Jason Heller, “The Darkness: Hot Cakes (Music Review)”, in The Onion AV Club:
- “Baby, I was a loser / Several years on the dole / An Englishman with a very high voice / Doing rock ’n’ roll,” sings falsetto-happy frontman Justin Hawkins at the start of “Every Inch Of You,” Hot Cakes’ opener.