The naked wax-like membrane at the base of the beak in certain birds, in which the nostrils are pierced. It is supposed to be an organ of touch.
| 单词 | θ38728 |
| 释义 | the world > animals > birds > parts of or bird defined by > [noun] > beak or bill > parts of (5) cere1486 The naked wax-like membrane at the base of the beak in certain birds, in which the nostrils are pierced. It is supposed to be an organ of touch. sheath1781 A sheath-like covering. Applied to various animal and vegetable structures. ‘The horny covering of the bill or feet of a bird; esp. a sort of… tomium1824 Each of the cutting edges of a bird's bill. culmen1833 Ornithology. The upper ridge of a bird's bill. gape1833 The part of the beak which can be opened; the line of commissure of the mandibles. |
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