A.mine, quarry, ἁλὸς μέταλλον salt-pit, salt-mine, Hdt.4.185; “μ. τετμημένον” Hyp.Eux.35; “μ. παλαιὸν ἀνασάξιμον” IG 22.1582.56: mostly in pl., χρύσεα καὶ ἀργύρεα μέταλλα gold and silver mines, Hdt.3.57; τὰ ἀργύρεια μ., at Laurium, Th.2.55; μέταλλα (alone) silver mines, X.Vect.4.4; μαρμάρου μ. marble quarries, Str.9.1.23.
2. mine in siege-operations, “πολιορκεῖν διὰ τῶν μ.” Plb.16.11.2, al.
II. later, mineral, metal, Sammelb.4313 (i/ii A. D.), Ruf. ap. Orib.5.3.21, Nonn.D.11.26, Agath.5.9, AP7.363. (On the etym. cf. μεταλλάω.)