from The Century Dictionary.

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

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

  • noun (Anat.) One of the bones at the base of a paired fin of a fish.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun ichthyology A bone at the base of a paired fin (of a fish)


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