Meaning of powderman

pow•der•man

Pronunciation: (pou'dur-man", -mun), [key]
— pl. -men
  1. a person in charge of explosives, esp. in a demolition crew.
  2. a safe-cracker who uses explosives to open safes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.