1.Definition: a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners)

Related Noun(s):plate, scale

Category: Objects

2.Definition: a rigid covering that envelops an object

"The satellite is covered with a smooth shell of ice"

Category: Objects

3.Definition: a very light narrow racing boat

Category: Objects

4.Definition: ammunition consisting of a cylindrical metal casing containing an explosive charge and a projectile; fired from a large gun

Category: Objects

5.Definition: hard outer covering or case of certain organisms such as arthropods and turtles

Related Noun(s):carapace, cuticle, shield

Category: Animals

6.Definition: the exterior covering of a bird's egg

Related Noun(s):eggshell

Category: Objects

7.Definition: the hard largely calcareous covering of a mollusc or a brachiopod

Category: Animals

8.Definition: the hard usually fibrous outer layer of some fruits especially nuts

Category: Plants

9.Definition: the housing or outer covering of something

Related Noun(s):case, casing

Category: Objects

10.Definition: the material that forms the hard outer covering of many animals

Category: General