Share this entry
basilosaurus Line breaks: bas¦ilo|saurus
Pronunciation: /ˌbasɪlə(ʊ)ˈsɔːrəs/

Definition of basilosaurus in English:


A large marine cetacean of the Eocene epoch, having rudimentary fore and hind limbs.
  • Genus Basilosaurus, suborder Archaeoceti, order Cetacea
Example sentences
  • Although Basilosaurus possessed a fluke and peduncle, Buchholtz dismisses these features because they are too short relative to body length.
  • One of these was pictured in the exhibition - the Basilosaurus.
  • In Basilosaurus, nearly all of these structures lay within the body wall, and most parts were immobile.


Modern Latin, from Greek basileus 'king' + sauros 'lizard'.

Definition of basilosaurus in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources