ˈsiŋgyələm noun
( plural cingu·la -lə)
Etymology: New Latin, from Latin, girdle, from cingere to gird — more at cincture
1. : a ridge about the base of the crown of a tooth
2. : the clitellum of an annelid
3. : a tract of association fibers running chiefly in the substance of and connecting the callosal and hippocampal convolutions of the brain
4. : a band of color or raised spiral line (as on certain gastropod shells)
5. : the outer zone of cilia on the disk of certain rotifers
6. : the girdle of a diatom