Echinoidea
noun plural
Ech·i·noi·dea
ˌek-ə-ˈnȯi-dē-ə 
: a class of motile bottom-dwelling echinoderms comprising the sea urchins and related forms
Dictionary Entries Near Echinoidea
Cite this Entry
“Echinoidea.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Echinoidea. Accessed 18 Apr. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share