διαστολεύς
From LSJ
δειναὶ δ' ἅμ' ἕπονται κῆρες ἀναπλάκητοι → and after him come dread spirits of death that never miss their mark
English (LSJ)
έως, ὁ,
A instrument for examining cavities, dilator, Gal.19.110, Paul.Aeg.6.78; for opening a horse's mouth, Hippiatr. 2. II cashier, title of official, BGU1064.19 (iii A. D.), Cod.Just.10.71.4.