MACKINTOSH Meaning of MACKINTOSH in English [mack.in.tosh] also mac.in.tosh n [Charles Macintosh d. 1843 Scot. chemist & inventor] (1836) 1 chiefly Brit: raincoat 2: a lightweight waterproof fabric orig. of rubberized cotton Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012