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crust

crust /ˈkrʌst/ noun
plural crusts
crust
/ˈkrʌst/
noun
plural crusts
Britannica Dictionary definition of CRUST
: the hard outer surface of bread
[count]
[noncount]
: the outside part of a pie : piecrust
[count]
[noncount]
[count, noncount] : the bread that is used to make a pizza
[count, noncount] : a hard layer on the surface of something

earn a/your crust

British, informal
: to earn the money that you need to live : to earn a living
see also upper crust