from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various wormlike marine animals of the phylum Hemichordata, having a primitive notochord and gill slits.
  • adj. Of or belonging to the phylum Hemichordata.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many marine worms, of the phylum Hemichordata, that have a primitive notochord
  • adj. Of, pertaining to, or characteristic of these animals

from The Century Dictionary and Cyclopedia

  • Partly chordate. as the anomalous genus Balanoglossus.
  • n. A hemichordate animal.


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