Nemertean

from WordNet (r) 3.0 (2006)

nemertean
    n 1: soft unsegmented marine worms that have a threadlike
         proboscis and the ability to stretch and contract [syn:
         {ribbon worm}, {nemertean}, {nemertine}, {proboscis worm}]

from The Collaborative International Dictionary of English v.0.48

Nemertean \Ne*mer"te*an\, a. (Zool.)
   Of or pertaining to the {Nemertina}. -- n. One of the
   {Nemertina}.
   [1913 Webster]

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