Lewis & Short

fĕrē̆trum, i, n., = φέρετρον, a litter, bier, etc., for carrying trophies in a triumphal procession, the bodies of the dead, their effigies, etc.; pure Lat. ferculum (mostly poet.): quis opima volenti Dona Jovi portet ferĕtro suspensa cruento, Sil. 5, 168; 17, 630: jamque rogum quassasque faces ferĕtrumque parabant, bier, Ov. M. 3, 508; so id. ib. 14, 747 (ferētro); Verg. A. 6, 222 (ferētro); 11, 64 (ferētrum); Val. Fl. 5, 11; Sil. 10, 567; Grat. Cyneg. 488; Inscr. Orell. 4370 al.; cf.: ubi lectus mortui fertur, dicebant feretrum nostri, Graeci φέρετρον, Varr. L. L. 5, § 166 Müll.