σαξίφραγον
From LSJ
ἑτέρως ἠδύνατο βέλτιον ἢ ὡς νῦν ἔχει κατεσκευάσθαι → otherwise they could have been constructed better than they are now (Galen, On the use of parts of the body 4.143.1 Kühn)
English (LSJ)
τό, A saxifrage, = κέστρον 1.2, Gal.6.339 (gender uncertain), Ps.-Dsc.4.16; σαξίφραγος, ὁ or ἡ, Ps.-Gal.19.694; cf. σαρξίφαγον.