Meaning of recoil-operated

re•coil-op•er•at•ed

Pronunciation: (rē'koil"op"u-rā"tid), [key]
— adj.
  1. employing the recoil force of an explosive projectile to prepare the firing mechanism for the next shot.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.