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nemertean
nemertean definition
ne·mer·tean (nē mʉr′tē ən, nə-)
noun
any of a phylum (Nemertea) of usually very elongate, unsegmented marine worms with no body cavity and with a protrusile proboscis, living mostly in coastal mud or sand; ribbon worm
Etymology: < ModL Nemertea < Gr Nēmertēs, name of a sea nymph < nēmertēs, unerring
adjective
of or belonging to these worms
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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