SINCE 1828
dictionary
thesaurus
view recents

lacinia

noun
Save Word
la·​cin·​ia | \ ləˈsinēə \
plural laciniae\ -​ēˌē \ or lacinias

Definition of lacinia

1 : a narrow incised segment in a leaf or similar structure
2a : the inner process of the stipes of an insect's maxilla and especially of its first maxilla
b : a slender fleshy process on the head of a fish

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 lacinia

New Latin, from Latin, lappet, flap; akin to Latin lacer mangled

Keep scrolling for more

Learn More about lacinia

Statistics for lacinia

Cite this Entry

“Lacinia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lacinia. Accessed 27 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on lacinia

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

Show Comments  Hide Comments 

WORD OF THE DAY

turbid

Listen to the pronunciation of turbid

See Definitions and Examples »

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!

Words at Play
Ask the Editors
Word Games