mackinaw /ˈmakəˌnô, ˈmækəˌnɔ 
/ (also mackinaw coat or jacket) ▸ noun North American a short coat or jacket made of a thick, heavy woolen cloth, typically with a plaid design.
– ORIGIN early 19th century : named after Mackinaw City, Michigan, formerly an important trading post.
EnglishOxford New American Dictionary
