staphisagrineChem.|stæfɪˈseɪgraɪn| Also -in. [f.mod.L. staphisagria stavesacre + -ine. (Substituted for the earlier staphisaïne, which is abnormally formed.)] One of the alkaloids found in the seeds of stavesacre (Delphinium Staphisagria). 1868Watts Dict.Chem. V. 406.