- The keel or lower outline of a bird's costs, in terms of the mandibular rami are united.
- The keel or reduced overview of a bird's costs, so far as the mandibular rami tend to be united.
- In ornith., the keel or reduced overview associated with the bill so far as the mandibular rami tend to be united; the inferior margin for the symphysis for the reduced jaw. See very first cut-under costs.
Sentence for "gonys"
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