from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several pelagic, colonial tunicates, of the genus Pyrosoma, found in tropical waters

from the GNU version of the Collaborative International Dictionary of English

  • n. Any compound ascidian of the genus Pyrosoma. The pyrosomes form large hollow cylinders, sometimes two or three feet long, which swim at the surface of the sea and are very phosphorescent.

from The Century Dictionary and Cyclopedia

  • n. A member or individual of the genus Pyrosoma; a firebody.


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