Cardigan (noun)

1. A type of knitted jacket or sweater that is fastened up the front with buttons or a zipper.
2. A type of knit jacket that is buttoned up the front, typically made of wool.

Origin:

Late 19th century: named after james thomas brudenell, 7th earl of cardigan (1797–1868), the british general who led the charge of the light brigade at the battle of balaclava.

Examples:

1. She wore a soft, blue cardigan over her dress.
2. He donned a green cardigan to keep warm in the chilly office.
3. The cardigan was knit from a warm, soft wool.
4. She buttoned her cardigan against the chill of the evening.
5. He removed his cardigan, revealing a crisp, white shirt.