frontōsus — Lewis & Short
frontōsus, a, um, adj.2. frons,
I manybrowed, having several foreheads.
I Lit., said of Janus:
frontosior,Aug. Civ. D. 1, 4 fin.—
II Trop., that has a bold forehead, shameless (late Lat.), Aug. Serm. in Psa. 1, 68.