cetaceous

• Adjectif désuet signifiant qui appartient ou se rapporte à l'ordre des cétacés (baleines, dauphins et marsouins).

An obsolete adjective meaning relating to or belonging to the order Cetacea (whales, dolphins, and porpoises).

1. Relating to whales and dolphinsC2formalscientific

   Of or belonging to the biological order Cetacea, which includes whales, dolphins, and porpoises.

   cétacé

   • The cetaceous mammals are known for their aquatic adaptations.
   • Researchers study cetaceous behavior in the open ocean.
   • The skeleton of a cetaceous creature shows its evolutionary link to land mammals.

   Synonymescetacean