κολαπτήρ
From LSJ
ἐπεὰν νῶτον ὑὸς δελεάσῃ περὶ ἄγκιστρον, μετιεῖ ἐς μέσον τὸν ποταμόν, ὁ κροκόδειλος ἵεται κατὰ τὴν φωνήν, ἐντυχὼν δὲ τῷ νώτῳ καταπίνει → when he has baited a hog's back onto a hook, he throws it into the middle of the river, ... the crocodile lunges toward the voice of a squealing piglet, and having come upon the hogback, swallows it
English (LSJ)
ῆρος, ὁ,
A chisel, IG11(2).199A86 (Delos, iii B.C.), 7.3073.132 (Lebad.), Plu.2.350d, Luc.Somn.13.
German (Pape)
[Seite 1472] ῆρος, ὁ, Meißel zum Eingraben in Stein; Luc. Somn. 13; Ath. XI, 488 c u. a. Sp.