DCHP-1 Online
mackinaws pl. 
n. clothing made of Mackinaw (def. 1).
- 1902 (n.d.) He was interrupted by a warm-complexioned man clad in faded mackinaws.
- 1946 (1947) . . . the wet penetrated my heavy mackinaws.
- 1902 (n.d.) He was interrupted by a warm-complexioned man clad in faded mackinaws.