crust

/krʌst/
verb
  1. To form a hard outer layer on the surface.
    • If you leave the paint can open, the top will crust up.
    • The lava crusted over as it cooled.
    • The snow crusted into a hard layer after the temperature dropped.
noun
  1. The hard outer layer of bread or a pie.
    • He always saves the bread crusts to feed the birds.
    • The pie had a golden, flaky crust that everyone loved.
    • She cut off the crust of her sandwich because she didn't like it.
  2. The hard outer layer of the Earth.
    • The Earth's crust is made up of tectonic plates that move slowly.
    • Volcanoes form when magma from beneath the crust reaches the surface.
    • Geologists study the crust to understand how mountains are formed.
  3. A hard, dry layer on the surface of something, such as skin or snow.
    • After the rain, a thin crust of mud covered the car.
    • The wound developed a crust as it began to heal.
    • A crust of ice formed on the puddle overnight.
  4. A small amount of money or resources needed to live (informal, often in 'earn a crust').
    • They moved to the city hoping to earn a better crust.
    • As a freelance artist, she barely makes a crust some months.
    • He works odd jobs just to earn a crust.
Synonyms
What does "crust" mean? | whatsthatwordmean | whatsthatwordmean