Mackinaw blanket \Mack"i*naw blan"ket\, Mackinaw \Mack"i*naw\ [From Mackinac, the State of Michigan, where blankets and other stores were distributed to the Indians.] A thick blanket formerly in common use in the western part of the United States.
Mackinaw blanket n : a thick plaid blanket formerly used in the northwestern United States [syn: {mackinaw}]