mackintosh n 1: a lightweight waterproof (usually rubberized) fabric [syn: {mackintosh}, {macintosh}] 2: a waterproof raincoat made of rubberized fabric [syn: {macintosh}, {mackintosh}, {mac}, {mack}]
mac \mac\ n. Shortened form of {mackintosh}, a waterproof raincoat made of rubberized fabric. Syn: mackintosh, mac, mack. [WordNet 1.5]
Mackintosh \Mack"in*tosh\, n. A waterproof outer garment; -- so called from the name of the inventor. [1913 Webster]
MACKINTOSH discoverer of a method of keeping dry outside on a rainy day.