shell in Greek

A hard external covering of an animal.

The calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates.

A pod containing the seeds of certain plants, such as the legume Phaseolus vulgaris.

(weaponry) The casing of a self-contained single-unit artillery projectile.

(weaponry) 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 scatter at high velocity its contents and fragments. Formerly called a bomb.

(weaponry) The cartridge of a breechloading firearm; a load; a bullet; a round.

(weaponry) The cartridge of a breechloading firearm; a load; a bullet; a round.

(weaponry) The cartridge of a breechloading firearm; a load; a bullet; a round.

(music) The body of a drum; the often wooden, often cylindrical acoustic chamber, with or without rims added for tuning and for attaching the drum head.