Crust

/krʌst/

Meaning & Definition

noun
The outer, often hard or tough layer of a substance, especially in reference to food or geological formations.
The bread's crust was perfectly golden brown and crispy.
A layer or covering that lies on the surface of something, such as the Earth's crust.
Scientists study the Earth's crust to understand geological activity.
The edge or border of something, often referring to a pie or a pastry.
She baked a delicious apple pie with a flaky crust.
A hardened layer on the surface of something, like a layer forming over a wound.
The crust on the sore indicated that it was healing.

Etymology

Middle English, from Latin 'crusta', meaning 'a hardened surface'.

Common Phrases and Expressions

crusty
Having a hard outer surface, often with a rough texture.
to break the crust
To penetrate a situation or subject that is difficult to approach.
crust of society
The wealthy or upper class; those who are regarded as privileged.

Related Words

crustacean
A marine animal with a hard shell, such as crabs and lobsters.
crustal
Related to the crust of the Earth.
crusty
Having a hard outer surface, often used to describe bread or character.

Slang Meanings

To be crusty or rude.
He got a bit crust when asked about his job.
Someone who is considered grumpy or unpleasant.
Don't mind him, he's just a crust.