Definition of crustaceous in English:

crustaceous

adjective

  • 1Relating to or denoting crustaceans.

    ‘crustaceous species’
    1. 1.1 Having a hard shell.
      ‘these genera have crustaceous seed coats’
      figurative ‘Africa is a theme close to my otherwise crustaceous heart’

Pronunciation

crustaceous

/krʌˈsteɪʃəs/