A type of sweater or jumper that fastens up the front with buttons or a zipper, usually machine- or hand-knitted from wool. Cardigans are available for both sexes but recent fashions have resulted in them being more typically worn by women
A cardigan is a knitted woollen sweater that you can fasten at the front with buttons or a zip. a sweater similar to a short coat, fastened at the front with buttons or a zip (Earl of Cardigan (1797-1868), British soldier)