crust

Definitions

• A more solid, dense or hard layer on a surface or boundary.
• The external, hardened layer of certain foodstuffs, including most types of bread, fried meat, etc.
• An outer layer composed of pastry
• The bread-like base of a pizza.
• (geology) The outermost layer of the lithosphere of the Earth.
• The shell of crabs, lobsters, etc.
• (uncountable) Nerve, gall.
• (music genre) a subgenre of punk music
• (British) A living.