cingulum
n. (ல.) அரைக்கச்சை, வளையம், சுற்றி வளைந்துள்ள அமைப்பு.
Cin"gu*lum, n. Etym: [L., a girdle.] (Zoöl.) (a) A distinct girdle or band of color; a raised spiral line as seen on certain univalve shells. (b) The clitellus of earthworms. (c) The base of the crown of a tooth.