Definitions

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) 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 Wiktionary, Creative Commons Attribution/Share-Alike License.

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

Etymologies

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Examples

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  • "Each pyrosome is made up of individual zooids – small, multicellular organisms – linked together in a tunic to form a tube-like colony that is closed on one end. They are filter feeders and use cilia to draw plankton into their mucous filter."

    -- "Researchers probe explosion of pyrosomes off the Northwest Coast" (https://www.nwfsc.noaa.gov/news/features/pyrosomes/index.cfm)

    June 23, 2017