fātĭfer, ĕra, ĕrum, adj. [fatum-fero],
that brings death , death-dealing , deadly , destructive (poet.): sonat unā fatifer arcus, Verg. A. 9, 631: ensis, id. ib. 8, 621; Ov. M. 12, 492: ferrum, id. ib. 6, 251: Mavors, id. Am. 3, 3, 27.
fātifer fera, ferum, adj.fatum+1 FER-, that brings death, death-dealing, destructive : arcus, V.: ...
An Elementary Latin Dictionary