† mephisObs. [Blundered form of L. memphītēs (Pliny), Gr. µεµϕίτης (Dioscorides).] A stone said to have anæsthetic properties. Cf. Memphian. 1584R. Scot Discov. Witchcr. xiii. vi. (1886) 240 Mephis, being broken into powder, and droonke with water, maketh insensibilitie of torture.