gibba , ae, f. (gibbus, a, um), der Buckel, Höcker, Suet. Dom. 23, 2: übtr., Amm. 23, 4, 4.
con-cavus , a, um, rings od. ... ... c. speculum, Hohlspiegel, Sen.: calvaria incipit ex interiore parte concava, extrinsecus gibba, Cels.: scire velle, utrum luna globosa sit, an concava, Lact.: c ...