What is "culmen"

Culmen \Cul"men\ (k?l"m?n), n. [L., fr. cellere (in comp.) to impel; cf. celsus pushed upward, lofty.]

1. Top; summit; acme.
   --R. North.

2. (Zo["o]l.) The dorsal ridge of a bird's bill.

n. 1 top; summit; acme 2 (context zoology English) The dorsal ridge of a bird's bill.

Culmen may refer to:

• Culmen (bird), the upper ridge of a bird's beak
• Culmen (cerebellum), a structure in the brain

The culmen is the portion of the anterior vermis adjacent to the primary fissure of cerebellum.

The culmen and the anterior parts of the quadrangular lobules form the lobus culminis.