echiurid

American

[ek-ee-yoor-id] / ˌɛk iˈjʊər ɪd /

noun

any of various unsegmented marine worms of the phylum Echiura, comprising the spoonworms.

Etymology

Origin of echiurid

< New Latin Echiurida, variant of Echiura < Greek échi ( s ) viper + -oura neuter plural of -ouros -tailed (derivative of ourá tail); Cf. Echiurus a genus of the phylum; see -ida

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