Cingulum
- n. The base of the crown of a tooth.
- n. A distinct girdle or band of color; a raised spiral line as seen on certain univalve shells.
- n. The clitellus of earthworms.
The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.