Crinoidea
plural noun
Cri·noi·dea
krə̇ˈnȯidēə,
-rīˈ-
: a large class of chiefly tropical or fossil echinoderms that have a more or less cup-shaped body provided with five or more feathery arms commonly bifurcated or many-branched and bearing pinnules, a mouth lying between the arms on the concave upper surface, and opposite the mouth usually a long jointed stalk fixed to the base of the body and having its opposite end divided into rhizoid processes that anchor the animal to the sea bottom compare comatulid, sea lily
crinoidean
adjective or noun
krə̇ˈnȯidēən
(ˈ)krī¦-
Dictionary Entries Near Crinoidea
Cite this Entry
“Crinoidea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Crinoidea. Accessed 22 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share