triradius

noun
tri·​ra·​di·​us | \ -ˈrād-ē-əs How to pronounce triradius (audio) \
plural triradii\ -​ē-​ˌī How to pronounce triradius (audio) \ also triradiuses

Medical Definition of triradius

: a group of ridges forming a Y at the base of each finger on the palm of the hand

Learn More About triradius

Dictionary Entries Near triradius

triquetrum

triradius

tris

See More Nearby Entries 

Cite this Entry

“Triradius.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/triradius. Accessed 1 Oct. 2022.

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

WORD OF THE DAY

Test Your Vocabulary

Challenging Words You Should Know

  • hedgehog reading a book
  • Often used to describe “the march of time,” what does inexorable mean?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!