crustaceous

• Adjectif désuet signifiant qui a une carapace ou une croûte dure, utilisé surtout en zoologie pour décrire les crustacés ou les animaux à enveloppe calcaire.

An obsolete adjective meaning having a hard shell or crust, typically used in zoological contexts to describe crustaceans.

1. Relating to crustaceansC2formalscientific

   Of or belonging to the class Crustacea, which includes animals like crabs, lobsters, and shrimp.

   Relatif aux crustacés

   • The biologist studied the crustaceous species found in the deep ocean.
   • Crustaceous animals have a hard exoskeleton that protects their bodies.
   • Many crustaceous creatures are vital to marine ecosystems.

   Synonymescrustacean

2. Having a hard shellC2formalscientific

   Being, having, or resembling a hard crust or shell.

   crouteux, crustacé

   • The fossil had a crustaceous exterior that preserved its shape.
   • Some insects have a crustaceous covering that shields them from predators.
   • The rock formation had a crustaceous texture, like ancient shell deposits.

   Synonymescrustyhard-shelledshelledtestaceous