'Mortiferous' definitions:

Definition of 'Mortiferous'

From: GCIDE

Mortiferous \Mor"tif"er*ous\, a. [L. mortifier; mors, mortis, death + ferre to bring: cf. F. mortif[`e]re.] Bringing or producing death; deadly; destructive; as, a mortiferous herb. --Gov. of Tongue. [1913 Webster]