Lewis Short
(adjective) : vĕnēnārĭus, a, um, venenum
* Of or belonging to poison.
* Adj.: calix,a poisoned cup,Tert. Res. Carn. 16.
* Subst.: vĕnēnārĭus, ii, m., a poisonmixer, poisoner, Suet. Ner. 33; Petr. 39; Tert. Pud. 5 med.; App. M. p. 291, 8.
Charlton T. Lewis, Charles Short, A Latin Dictionary