portio

noun
por·​tio | \ ˈpȯr-shē-ˌō How to pronounce portio (audio) , ˈpȯrt-ē-ˌō How to pronounce portio (audio) \
plural portiones\ ˌpȯr-​shē-​ˈō-​ˌnēz How to pronounce portiones (audio) \

Medical Definition of portio

: a part, segment, or branch (as of an organ or nerve) the visible portio of the cervix

Learn More about portio

Cite this Entry

“Portio.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/portio. Accessed 28 Nov. 2020.

Comments on portio

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

WORD OF THE DAY

Test Your Vocabulary

A Thanksgiving Word Quiz

  • a traditional thanksgiving dinner
  • November comes from a word for which of the following numbers?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

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

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!