tri·​ra·​di·​ate (ˌ)trī-ˈrā-dē-ət How to pronounce triradiate (audio)
: having three rays or radiating branches
a triradiate sponge spicule

Word History

First Known Use

1846, in the meaning defined above

Time Traveler
The first known use of triradiate was in 1846

Dictionary Entries Near triradiate

Cite this Entry

“Triradiate.” Dictionary, Merriam-Webster, Accessed 16 Jun. 2024.

Love words? Need even more definitions?

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