σφάκηλος

A. gangrene, mortification, or, of bones, caries, Hp. Aph. 7.78; τοῦ ἐγκεφάλου Id. Aër. 10 (pl.); so called when farther advanced than γάγγραινα, cf. Gal. 2.632, 18(1).687.

2. generally, spasm, convulsion, A. Pr. 878 (anap.); κατὰ δ’ ἐγκέφαλον πηδᾷ ς. E. Hipp. 1352 (anap.): metaph., ς. ἀνέμων the convulsive fury of winds, A. Pr. 1045 (anap.).

3. the middle finger, Suid.s.v. σφακελισμός; so σφάκηλος (or φάκηλος) PLond. 1821.297.