Entry 2 senses · 2 variants Webster, 1913 Septiferous · Sep·tif·er·ous · IPA a. a. 01 a. Bearing a partition; -- said of the valves of a capsule. 1. Bearing a partition; -- said of the valves of a capsule.(Bot.) 02 a. Conveying putrid poison; as, the virulence of septiferous matter. 1. Conveying putrid poison; as, the virulence of septiferous matter.