• The white matter tract in the brain. See Cingulum (anatomy)
• The basal ridge of a tooth
• A type of groove on the theca of dinoflagellates.
• The Roman military belt (cingulum militare). Heavily decorated with metal ornaments and designed to hold the sword (gladius) and dagger (pugio). Ancient Roman original cingulum parts can be seen on the pages of the Roman Military Equipment Web museum

Of the Dental unit, the cinculum is the lingual most portion of the Anterior teeth. It is a result of the 4th developmental center.