Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

nudibranch

play
noun nu·di·branch \ˈnü-də-ˌbraŋk, ˈnyü-\

Definition of nudibranch

plural nu·di·branchs

  1. :  any of an order (Nudibranchia) of marine opisthobranch mollusks without a shell in the adult state and without true gills

nudibranch adjective


Illustration of nudibranch

Origin of nudibranch

New Latin Nudibranchia, from Latin nudus + Greek branchia gills


First Known Use: 1844


Learn More about nudibranch


Seen and Heard

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

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 196.5 pounds 2.2 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ