noun \ni-ˈmər-tē-ən\

Definition of NEMERTEAN

:  any of a phylum (Nemertea syn. Rhynchocoela) of often vividly colored usually long dorsoventrally flattened marine worms that typically burrow in the mud or sand along seacoasts —called also ribbon worm
nem·er·tine \ˈne-mər-ˌtīn\ adjective or noun


ultimately from Greek Nēmertēs Nemertes, one of the Nereids
First Known Use: 1861


Next Word in the Dictionary: Nemertinea
Previous Word in the Dictionary: Nemertea
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