Lat. form of CEMENT; occas. used in some senses, esp. 4.
1612. Woodall, Surg. Mate, Wks. (1653), 268. Cementum is a mineral matter like lute … wherewith metals spred over are reverberated to cement.
1842. E. Wilson, Anat. Vade M., 53. The cortical substance, or cementum … of the tooth.
1859. J. Tomes, Dental Surg. (1873), 40. The cementum or the enamel forming the common investment.
