In birds (also): either of the two parts, upper and lower, of the beak; (sometimes) spec. the lower part.
| 单词 | θ38730 |
| 释义 | the world > animals > birds > parts of or bird defined by > [noun] > beak or bill > upper or lower beak (10) mandible1686 In birds (also): either of the two parts, upper and lower, of the beak; (sometimes) spec. the lower part. mandibula1896 = mandible, n. 2. Obsolete. Subcategories:— part or process of upper beak (4) — part or covering of lower beak (4) |
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