grenade

noun

1. a small bomb detonated by a fuze and thrown by hand or fired from a rifle
2. a glass container to be thrown so that it will break and disperse the chemicals inside: used for putting out fires, spreading tear gas, etc.

Origin: Fr < OFr, pomegranate < L (malum) granatum, (apple) with seeds, pomegranate < granatus, seedy < granum, seed, grain