wheelman

[hweel-muh n, weel-] /ˈʰwil mən, ˈwil-/
noun, plural wheelmen.
1.
Also, wheelsman
[hweelz-muh n, weel-] /ˈʰwilz mən, ˈwil-/ (Show IPA). a helmsman or steersman.
2.
a rider of a bicycle, tricycle, or the like.
3.
Slang.
  1. a driver, especially a chauffeur:
    The mobster's wheelman was also his bodyguard.
  2. a person who drives the getaway car in a holdup or robbery.
Origin
1860-65, Americanism; wheel + -man
British Dictionary definitions for wheel man

wheel man

noun
1.
a cyclist
2.
(US) Also called wheelsman. a helmsman
Slang definitions & phrases for wheel man

wheel man

noun phrase

The driver of a car used in a robbery orothercriminalendeavor: Like, I'm a pretty good wheel man, you know what I mean? (1930s+ Underworld)