anything made of bronze or copper, vessel, instrument, Ar. V. 1214, Fr. 436, Lys. 19.27, X. An. 4.1.8, Sophr. 30, Nicostr. 21.4, PCair.Zen. 40.1 (iii B. C.), BGU 993 iii 12 (ii B. C.), Sor. 2.29, etc.; ἀσπίδος τὸ χ. the bronze-work, opp. τὸ ξύλον, Arist. Mete. 371a26, cf. Aen. Tact. 37.7; cauldron, Plu. Demetr. 24.
copper plate or tablet, for engraving records on, Plb. 3.26.1, 3.33.18, IG 9(1).685, al. (Corcyra, ii B. C.), 14.612 (Rhegium, i B. C.), 952.22 (Agrigentum, iii B. C.), 953.24 (Melita, iii B. C.); written χάλχωμα, JHS 32.160 (Pisidia).
generally, metal plate, Plb. 6.23.14.
beak of a ship, D.S. 20.9, Plu. Ant. 67, etc.