1. a short, heavy woolen coat or jacket, typically plaid
2. a heavy woolen blanket, often with bright stripes or patterns
3. a flat-bottomed boat used on the Great Lakes
Usage: nautical; historical

Examples

• He wore his red plaid mackinaw while chopping wood.
• The lumberjack’s mackinaw kept him warm in the forest.
• She wrapped herself in a colorful mackinaw blanket by the campfire.
• The trading post sold thick mackinaw blankets to travelers.
• Old mackinaw boats were essential for Great Lakes commerce.
• The museum displayed a restored mackinaw from the 1800s.