Definition of "nereis" [‖Ne•re•is]

• See clamworm. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Some moths have unusual distribution patterns in the region with normally alpine species such as Chloroclystis nereis found on the coast."
• "They have succeeded in developing embryos from the eggs of the sea urchin, of the nereis, and of mollusks, without spermatozoa."
• "Annelids — earth-worms, nereis; Mollusks — mussel or clam;"