Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cērātum, i (cērōtum, i, Mart. 11, 98; Pall. 1, 41, 3; Veg. 3, 7, 2: cērātōrĭum, ii, Cael. Aur. Acut. 2, 11; id. Tard. 2, 3; Marc. Emp. 35: cērōtūrĭum, ii, Theod. Prisc. 1, 9), n., = κηρωτόν, a wax plaster, wax salve, wax pomatum, Cels. 4, 4, 2; 4, 4, 20; 4, 4, 24; Col. 7, 7, 4; Plin. 13, 22, 43, § 124; 22, 24, 56, § 117; 26, 14, 87, § 141; Scrib. Comp. 250.