Home › Words › G › gunfittergunfittergunfitter · noun — one who fits guns to provide shooters with the optimal gunfit.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom gunfit + -er.nounOne who fits guns to provide shooters with the optimal gunfit.e.g.“He is an experienced gunfitter and an expert on diagnosing eye dominance problems.” — 2003, Peter F. Blakeley, Successful Shotgunning:Definitions & examples from Wiktionary (CC BY-SA 3.0).