ξυστ-ήρ · xyst-ēr — LSJ
scraper, rasp, file, Hp. VC 14, Gal. 10.445 ; polishing instrument, = λίστρον, Sch.D Od. 22.455, Hsch. s.v. λίστρον ; graving tool, AP 6.205 (Leon.), Daimach. 4 J., Plu. Glor.Ath. 2.350e ; ξ. λεῖος Inscr.Délos 504 (iii B. C.) ; ξ. ἱερός IG 7.3498.11 (Oropus, iii/ii B. C.).
part of the external ear, Gal. 14.701.
a kind of eye-salve, Aët. 7.115.