Ve*nef"ic*al (?), a. [L. veneficus.] Veneficial. [Obs.] "Venefical
instruments." B. Jonson.
Ven"e*fice (?), n. [L. veneficium, fr. veneficus poisoning; venenum
poison + facere to make: cf. F. vénéfice.] The act or practice of
poisoning. [Obs.]
{ Ven`e*fi"cial (?), Ven`e*fi"cious (?), } a. Acting by poison; used in
poisoning or in sorcery. [Obs.] "An old veneficious practice." Sir T.
Browne. — Ven`e*fi"cious*ly, adv. [Obs.]