(usually in the plural) trousers made of flannel or gabardine or tweed or white cloth
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a loose coverall (coat or frock) reaching down to the ankles
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Gabardine \Gab`ar*dine"\, Gaberdine \Gab`er*dine"\, n. [Sp. gabardina; cf. It. gavardina, OF. galvardine, calvardine, gavardine, galeverdine; perh. akin to Sp. & OF. gaban a sort of cloak or coat for rainy weather, F. caban great coat with a hood and sleeves, It. gabbano and perh. to E. cabin.] A coarse frock or loose upper garment formerly worn by Jews; a mean dress. --Shak.
New York Daily News gossip columnist Liz Smith (admitting that she was dressed for comfort's sake) took notes in a charcoal gabardine pantsuit by Yves St. Laurent, a bargain she'd found at Bergdorf's a while back.
Cotton gabardine, poplin and piques with flowery rather than waffled weaves have a fresh appeal.