mastrūca (mastrūga), ae, f. [Sardinian; v. infra],
a garment made of skins, a sheepskin, a skin : mastrucam, quod Sardum est, inridens Cicero ex industria dixit, Quint. 1, 5, 8: mastruca vestis Sardonica ex pelliculis ferarum, de qua Cicero pro Scauro: Quem purpura regalis non commovit, eum Sardorum mastruca mutavit? Isid. Orig. 19, 23, 5 (Orell. Cic. Fragm. Scaur. § 45, d, p. 268); so Prud. Symm. 2, 695.— As a term of abuse, a sheepskin, a ninny , Plaut. Poen. 5, 5, 34.