phragma

noun
phrag·​ma | \ ˈfragmə \
plural phragmata\ -​mətə , -​mətə \ also phragmas

Definition of phragma

1 : a septum or partial diaphragm especially : an infolded part or inwardly extending process of the walls of the thorax of an insect or other arthropod
2 : a false dissepiment in a plant ovary

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 phragma

New Latin, from Greek phragma fence, from phrassein, phrattein to enclose, fence in

Keep scrolling for more

Learn More about phragma

Statistics for phragma

Cite this Entry

“Phragma.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phragma. Accessed 1 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on phragma

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

WORD OF THE DAY

Test Your Vocabulary

February 2021 Words of the Day Quiz

  • squirrel in winter
  • Which is a synonym of perdure?
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!