Definition of: grenade

(gri·nād′) noun
1. A small bomb designed to be thrown by hand (hand grenade) or fired from a rifle or launching device, exploding on impact or by the action of a time fuze.
2. A glass bottle containing chemicals for extinguishing a fire.
—frangible grenade A glass bottle filled with inflammable fluid, as gasoline, which is ignited on striking any object, as an armored vehicle or tank: popularly called Molotov cocktail or gasoline bomb. [<F, a pomegranate <Sp. granada <L granatus having seeds <granum a eed]