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echiuroid

American

[ek-ee-yoor-oid] / ˌɛk iˈjʊər ɔɪd /

noun

any wormlike invertebrate of the phylum Echiuroidea, found in sand and mud of tropical and subtropical seas, having at the mouth a ciliated, often elongated prostomium.

adjective

belonging or pertaining to the Echiuroidea.

Etymology

Origin of echiuroid

1885–90; < New Latin Echiuroidea; see echiurid, -oidea

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.