Ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun WordNet 3.0 & Open English WordNet

A shell, in a Military context, is a projectile whose payload contains an explosive, incendiary, or other chemical filling. Wikipedia

An explosive device fired from artillery Wikipedia Disambiguation

Explosive used in wars Wikipedia Disambiguation

Projectile Wikidata

A hollow, usually spherical or cylindrical projectile fired from a siege mortar or a smoothbore cannon. It contains an explosive substance designed to be ignited by a fuse or by percussion at the target site so that it will burst and scattered at high velocity its contents and fragments. Formerly called a bomb. Wiktionary

Hollow usually spherical or cylindrical projectile fired from a mortar or a cannon. Wiktionary (translation)