UPCAST Meaning of UPCAST in English n. & v.n. 1 the act of casting up; an upward throw. 2 Mining a shaft through which air leaves a mine. 3 Geol. = UPTHROW. v.tr. (past and past part. upcast) cast up. Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012