One of the mysteries of the English language finally explained.
The upper ridge of a bird's bill.
- ‘Before experiments began, we took standard morphometrics of wing chord length, culmen, tarsus, tail length (all to the nearest 0.1 mm), and body mass.’
- ‘For both species, body size traits (in mm) included mean tarsus length, mean flattened wing chord, tail length, and culmen length (base of cere to tip of beak).’
- ‘Prey size was estimated by comparing the length of the exposed bill culmen of adults with the length of the prey.’
- ‘Old World sparrows are small to medium sized, stocky birds with a short bill with a decurved culmen and short legs.’
- ‘These seven males carried the egg away from the nest in their mandibles or rolled it out of the nest (to a distance of 30-40 cm from the nest) by pushing with the culmen.’
A small region in the brain on the anterior surface of the cerebellum.
- ‘In the midline, above the central lobule, the culmen projects above the rest of the superior surface of the cerebellum.’
Mid 17th century (in the sense ‘top, summit’): from Latin, contraction of columen ‘top, summit’.
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