Decumbo, decumbis, decubui, decúbitum, pen. corr. decúmbere. Col. To lie downe: to sitte down at the table: to keepe his bed sicke.Decumbere ad tabulam. Varro. Decumbere, Verbum proprium gladiatorum Cic.To fall downe wounded, and readie to die by combate.Honestè decumbere. Id est, mori. Cic.To die honestly.
Lewis and Short: Latin dictionary
dē-cumbo, cŭbŭi, 3, v. n.I.To lie down, sc. in bed or on a couch, to recline at table, to lie ill, be confined by sickness (good prose), Cato R. R. 156, 4: super lectum, Suet. Ner. 48: in aureo lecto, id. Caes. 49: hospes me ad cenam vocat. Venio, decumbo, Plaut. Merc. 1, 1, 98; so of reclining at table (cf. accumbo), id. Curc. 2, 3, 72; id. Stich. 5, 1, 6; Ter. Ph. 2, 2, 28; Cic. Verr. 2, 3, 25: familia decubuit, Sen. Ep. 96, 1; Gell. 18, 10, 2: febricitans, Vulg. Marc. 1, 30.—II. Of a vanquished gladiator, t. t., to fall, Cic. Tusc. 2, 17, 41; id. Phil. 3, 14, 35.