Source : Webster's Revised Unabridged Dictionary (1913)

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, &
   Colt-Browning}, {pistol}.