crust
//krʌst//
Noun
crustSingular
crustsPlural
1
The hard outer layer of bread or other baked goods.
I like to eat the crust of fresh bread.
2
The pastry shell of a pie or tart.
The apple pie has a flaky golden crust.
3
A hard layer or covering that forms on the surface of something.
A thin crust of ice formed on the pond overnight.
4
The outermost solid layer of a planet, especially the Earth.
The Earth's crust is thinner under the oceans than under the continents.
Verb
crustInfinitive
crustsPresent tense
crustedPast tense
crustedPast participle
crustingPresent participle
crustsThird-person singular
1
To form or cover with a hard outer layer.
The mud crusted on his boots after the long hike.