Meaning of culmen in English:



  • 1Ornithology
    The upper ridge of a bird's bill.

    • ‘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).’
    • ‘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.’
    • ‘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.’
  • 2Anatomy
    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’.