mentum, i, n. root men-, min-, to project; cf.: minae, minari, etc., the chin of persons and animals; also, the chin with the hair that grows on it, the beard. Lit.: Herculis mentum paulo attritius, Cic. Verr. 2, 4, 43, § 94: attingere, Plin. 11, 45, 103, § 251: incana, Verg. A. 6, 809: caprarum, Plin. 8, 50, 76, § 204.

— Transf., in archit., the projecting part of a cornice, which casts off the rain, the coping, Vitr. 4, 3, 6.