Mesozoa

American

[mez-uh-zoh-uh, mes-, mee-zuh-, -suh-] / ˌmɛz əˈzoʊ ə, ˌmɛs-, ˌmi zə-, -sə- /

noun

Zoology.

the phylum of invertebrates comprising the mesozoans, parasitic wormlike multicellular organisms sometimes considered to be intermediate in complexity between protozoans and metazoans.

From New Latin, dating back to 1875–80; see origin at meso-, -zoa

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