from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A bone at the base of a paired fin (of a fish)

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the bones at the base of a paired fin of a fish.

from The Century Dictionary and Cyclopedia

  • n. In ichthyology, one of the bones which in true fishes immediately support the rays of the pectoral and ventral fins.


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