either of two cocainelike synthetic alkaloids, , CHNO, or , CHNO, made from piperidine: the hydrochloride of beta-eucaine is used as a local anesthetic for animals and was formerly used for humans
See eucaine in American Heritage Dictionary 4
(yo͞oˈkānˌ)
noun
A crystalline substance, C15H21NO2, used as a local anesthetic, substituting for cocaine, in veterinary medicine.