lētĭfer (lēth-), fĕra, fĕrum, adj. [letum], death-bringing, death-dealing, deadly, fatal (poet.): arcus, Verg. A. 10, 169: ictus, Ov. M. 8, 362: dextra, id. ib. 12, 606: vestis, id. ib. 9, 166: anguis, Stat. Th. 5, 628: certamen, Cat. 64, 390: annus, Verg. A. 3, 139: autumnus, Juv. 4, 57.
In prose: rabies letifer morbus canibus, Col. 7, 12 fin.
Transf.: locus, a place in the body where a wound is fatal, a mortal part, Ov. M. 5, 133.