from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any member of the Archiannelida.

from The Century Dictionary and Cyclopedia

  • Of or pertaining to the Archiannelida.
  • n. One of the Archiannelida, as an annelid of the genus Polygordius. Also archiannelidan.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. small primitive marine worm lacking external segmentation and resembling polychaete larvae


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