The shell of crabs, lobsters, etc.
An outer layer composed of pastry
The top or bottom slice of a loaf of bread; The end piece of a loaf; The heel.
The outermost layer of any terrestrial planet.
Nerve, gall.
The outermost layer of the lithosphere of the Earth.
The external, hardened layer of certain foodstuffs, including most types of bread, fried meat, etc.
A living.
The bread-like base of a pizza.
A more solid, dense or hard layer on a surface or boundary.
To cover with a crust.
To form a crust.
The shell of a tortoise, sometimes inaccurately the shell of a turtle, or that material.