The Collaborative International Dictionary
Mackinaw \Mack"i*naw\, Mackinaw coat \Mack"i*naw coat\ A short, heavy, double-breasted plaid coat, the design of which is large and striking. [Local, U. S.]
Wiktionary
n. A mackinaw coat.
Usage examples of "mackinaw coat".
As they approached the cabin, a broad-shouldered figure in a plaid mackinaw coat appeared from behind a clump of brush and strode towards them.
This meant a great improvement in his lot, for Aunt immediately bought him clothes that were more what other children in Blairlogie wore, and he was happy in his corduroy knickerbockers and a mackinaw coat, and the tuque that replaced his little velvet hat with earflaps.
Well, he put in corduroy pants, laced boots, a hunting knife, some flannel shirts, a Mackinaw coat, and some heavy socks.
Monk said, seizing a mackinaw coat of a hideous green-and-yellow check design.