prosobranch

noun
pros·​o·​branch | \ ˈprä-sə-ˌbraŋk How to pronounce prosobranch (audio) \
plural prosobranchs

Definition of prosobranch

: any of a subclass (Prosobranchia) of gastropod mollusks that have the loop of visceral nerves twisted into a figure eight, the sexes usually separate, and usually an operculum

Other Words from prosobranch

prosobranch adjective

First Known Use of prosobranch

1851, in the meaning defined above

History and Etymology for prosobranch

New Latin Prosobranchia, from proso- in front (from Greek prosō forward) + branchia gills (from Greek)

Keep scrolling for more

Learn More about prosobranch

Time Traveler for prosobranch

Time Traveler

The first known use of prosobranch was in 1851

See more words from the same year

Statistics for prosobranch

Cite this Entry

“Prosobranch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prosobranch. Accessed 18 Apr. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on prosobranch

Britannica.com: Encyclopedia article about prosobranch

Comments on prosobranch

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

WORD OF THE DAY

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

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!