Definitions

from The Century Dictionary.

  • noun In ichthyology, a clasper-part of a ventral fin modified as an intromittent organ, as in sharks and their allies.

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

  • noun (Anat.) A specially modified part of the ventral fin in male elasmobranchs, which serves as a copulatory organ, or clasper.

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

  • noun anatomy A modified part of the ventral fin in male elasmobranchs, which serves as a copulatory organ, or clasper.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek a fin + diminutive of a foot.

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