Definitions
from The Century Dictionary.
- noun In ornithology, the integument of the upper mandible of a bird, exclusive of the dertrotheca.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) The sheath of the upper mandible of a bird.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The
horny covering of the upper part of a bird'sbeak
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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