Definition of culmen in English:

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Pronunciation: /ˈkʌlmɛn/

noun (plural culmina /ˈkʌlmɪnə/)

1 Ornithology The upper ridge of a bird’s bill.
Example sentences
  • Old World sparrows are small to medium sized, stocky birds with a short bill with a decurved culmen and short legs.
  • Prey size was estimated by comparing the length of the exposed bill culmen of adults with the length of the prey.
  • 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).
2 Anatomy A small region in the brain on the anterior surface of the cerebellum.
Example sentences
  • 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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