'automatic pistol' definitions:

Definition of 'automatic pistol'

(from WordNet)
noun
A pistol that will keep firing until the ammunition is gone or the trigger is released [syn: automatic pistol, automatic]

Definition of 'automatic pistol'

From: GCIDE
  • Colt pistol \Colt pistol\ (Firearms) A self-loading or semi-automatic pistol with removable magazine in the handle holding seven cartridges. The recoil extracts and ejects the empty cartridge case, and reloads ready for another shot. Called also Browning pistol, Colt-Browning pistol, automatic pistol and automatic. [Webster 1913 Suppl. +PJC]