'Nemertean' definitions:

Definition of 'nemertean'

(from WordNet)
noun
Soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract [syn: ribbon worm, nemertean, nemertine, proboscis worm]

Definition of 'Nemertean'

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