cingulum

noun

1. 1

   The girdle of an alb.

2. 2

   A collection of white matter fibers projecting from the cingulate gyrus to the entorhinal cortex in the brain, allowing for communication between components of the limbic system.

3. 3

   A ridge that girdles the base of an upper molar tooth.

4. 4

   A distinct girdle or band of color; a raised spiral line as seen on certain univalve shells.

5. 5

   The clitellus of earthworms.