SMELT Meaning of SMELT in English v.tr. 1 extract metal from (ore) by melting. 2 extract (metal) from ore by melting. smelter n. smeltery n. (pl. -ies). [ MDu., MLG smelten, rel. to MELT ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012