/hweel"meuhn, weel"-/ , n. , pl. wheelmen .
1. Also, wheelsman /hweelz"meuhn, weel"-/ . a helmsman or steersman.
2. a rider of a bicycle, tricycle, or the like.
3. Slang.
a. a driver, esp. a chauffeur: The mobster's wheelman was also his bodyguard.
b. a person who drives the getaway car in a holdup or robbery.
[ 1860-65, Amer.; WHEEL + -MAN ]