Basilosaurus

noun
Bas·i·lo·sau·rus | \ ˌbasəlōˈsȯrəs \

Definition of Basilosaurus 

: a genus (the type of the family Basilosauridae) of large slender-bodied Eocene whales that are found most abundantly in Alabamian and Floridian rocks and that have serrated posterior teeth with two roots — see zeuglodontia

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Basilosaurus

New Latin, from Greek basileus king + New Latin -o- + -saurus

Keep scrolling for more

Learn More about Basilosaurus

Share Basilosaurus

Dictionary Entries near Basilosaurus

basilisk

basil mint

basil oil

Basilosaurus

basil thyme

basilweed

basin

Statistics for Basilosaurus

Look-up Popularity

Comments on Basilosaurus

What made you want to look up Basilosaurus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!