Morpheme
Crust
Type
free base
Denotation
hard outer surface or boundary
Etymology
Middle English cruste; Anglo-Norman cruste; Old French cruste; Latin crusta
Evidence
biocrust, breadcrust, crust, crustacea, crustacean, crustal, crustation, crusted, crusties, crusting, crustless, crustlike, crustosus, crustquake, crusts, crusty, decrust, encrust, overcrust, shortcrust