crustaceous

(-s̸həs)

adjective

  1. of or like a crust
  2. having a hard crust or shell
  3. Zool. crustacean

Origin: ModL crustaceus: see crustacean

See crustaceous in American Heritage Dictionary 4

crus·ta·ceous

adjective
  1. Having, resembling, or constituting a hard crust or shell.
  2. Crustacean.

Origin: Latin crūsta, shell; see kreus- in Indo-European roots + -aceous.

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