platyhelminth

noun

platy·​hel·​minth ˌpla-ti-ˈhel-ˌmin(t)th How to pronounce platyhelminth (audio)
: flatworm
platyhelminthic
ˌpla-ti-hel-ˈmin(t)-thik How to pronounce platyhelminth (audio)
ˌpla-ti-hel-ˈmin-tik
adjective

Word History

Etymology

ultimately from Greek platys broad, flat + helminth-, helmis helminth

First Known Use

1877, in the meaning defined above

Time Traveler
The first known use of platyhelminth was in 1877

Dictionary Entries Near platyhelminth

Platyhelmia

platyhelminth

platykurtic

See More Nearby Entries 

Cite this Entry

“Platyhelminth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/platyhelminth. Accessed 20 Mar. 2023.

Copy Citation

Share

Medical Definition

platyhelminth

noun
platy·​hel·​minth ˌplat-i-ˈhel-ˌmin(t)th How to pronounce platyhelminth (audio)
: any worm of the phylum Platyhelminthes

called also flatworm

More from Merriam-Webster on platyhelminth

Britannica.com: Encyclopedia article about platyhelminth

Love words? Need even more definitions?

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

Word of the Day

Listen to the pronunciation of kith

See Definitions and Examples »

Test Your Vocabulary

A Good Old-Fashioned Quiz

  • butter churn
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY
Words at Play
Ask the Editors
Word Games