Definitions

from The Century Dictionary.

  • noun In ornith., the integument of the gnathidium; the horny or leathery investment of the under mandible.

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

  • noun (Zoöl.) The horney covering of the lower mandible of a bird.

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

  • noun The horny covering of the lower part of a bird's beak.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Ancient Greek γνάθος ("jaw") + θήκη ("sheath")

Examples

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