nereis

noun

A marine worm of the genus Nereis.

noun

The typical genus of the family Nereidæ.

noun

In entomology, a genus of lepidopterousinsects.

noun

In botany, a systematic account of the algæ or seaweeds of a locality or country: as, the Nereis Boreali-Americana. by Harvey.

proper noun

A Nereid. See Nereid.

proper noun

A genus, including numerous species, of marine chætopod annelids, having a well-formed head, with two pairs of eyes, antennæ, four pairs of tentacles, and a protrusile pharynx, armed with a pair of hooked jaws.