ribbon worm

Definitions of ribbon worm
  1. noun
    soft unsegmented marine worms that have a threadlike proboscis and the ability to stretch and contract
    synonyms: nemertean, nemertine, proboscis worm
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    type of:
    any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
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