crust

skorpa, skare, jordskorpa

1. A more solid, dense or hard layer on a surface or boundary.

2. The external, hardened layer of certain foodstuffs, including most types of bread, fried meat, etc.

3. (Britain, Australia, New Zealand, Ireland, Canada, Northern US) A slice of bread cut from the end of a loaf; the heel.

4. (geology) The outermost layer of the lithosphere of the Earth.

5. (astronomy, by extension) The outermost layer of any terrestrial planet.