Mackinaw mackinaw [< Cdn F mackinac < Ojibwa; see 1761 quote]
1 n. a heavily napped and felted woollen cloth from which blankets and articles of clothing are made, nowadays usually of plaid design.
See also: mackinaws
2 n. a blanket of Mackinaw (def. 1).
See also: Mackinaw blanket (def. 2)
3a n. Hist. a heavy, flat-bottomed freight boat. [See picture at York boat.]
See also: Mackinaw boat (def. 1) York boat
3b n. Hist. a schooner-rigged boat formerly in use on the Great Lakes.