aconellineChem.|ækəʊˈnɛlaɪn| [dimin. f. aconine.] An organic base obtained from the root of the aconite; also called Aconella. 1876Harley Mat. Med. 771 Messrs. T. & H. Smith have isolated another crystalline body identical with narcotia, and have called it aconella.1879Syd. Soc.Lex., Aconellin.