the hard largely calcareous covering of a mollusc or a brachiopod | footwear shaped to fit the foot (below the ankle) with a flexible upper of leather or plastic and a sole and heel of heavier material |
hard outer covering or case of certain organisms such as arthropods and turtles | U-shaped plate nailed to underside of horse's hoof |
ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun | a restraint provided when the brake linings are moved hydraulically against the brake drum to retard the wheel's rotation |
a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners) | (card games) a case from which playing cards are dealt one at a time |
the housing or outer covering of something | |
a very light narrow racing boat | |
a rigid covering that envelops an object | |
the exterior covering of a bird's egg | |
the hard usually fibrous outer layer of some fruits especially nuts | |
the material that forms the hard outer covering of many animals | |