crusts

noun
UK /krʌsts/
US /krʌsts/

The hard outer parts of bread or pie.

She cut the crusts off her sandwich.


OTHER MEANINGS

2. The hard outer layer of the Earth.

The Earth's crusts are made of rock.

3. A hard covering that forms on something, like snow or a wound.

A crust formed over the snow.

4. The outer part of a pizza.

He likes the crusts best.