Ructus, huius ructus, mas. gen. Cels. A belking, or breaking of winde vpwzrde.Anetum ructus mouet. Pli. Causeth to belke.Extremo ructus quum venit barathro. Martial. When the belking commeth from the botcome of the stomacke.Crebri ructus, cruditatis indicium. Col. Often belkings, a token of ill digestion.Ructa grauis herba. Plin. An heatb that causeth one to haue a stincking bealking.
Lewis and Short: Latin dictionary
ructus, ūs, m. [rugo, whence also ructo and erugo], a belching, eructation, rising of the stomach (class. in sing. and plur.): exhalas acidos ex pectore ructus, Lucil. ap. Non. 164, 33: suavis ructus mihist, Plaut. Ps. 5, 2, 9; Cic. Fam. 9, 22, 5; Cels. 4, 5 fin.: foedi pestilentesque ructus, Sen. Ep. 95, 25; Plin. 20, 12, 48, 122; 20, 17, 66, 174; Mart. 1, 88, 4 al.