Grenade /(?)/

Gre·nade

Grenade

n.
  1. A hollow ball or shell of iron filled with powder of other explosive, ignited by means of a fuse, and thrown from the hand among enemies. (Min.)

Phrases & Compounds
Hand grenade
A small grenade of iron or glass, usually about two and a half inches in diameter, to be thrown from the hand into the head of a sap, trenches, covered way, or upon besiegers mounting a breach.
Rampart grenades
grenades of various sizes, which, when used, are rolled over the pararapet in a trough.