A cargo boat, with a large flat bottom and sharp ends, formerly used on the Great Lakes and the Missouri River (to a lesser extent, elsewhere).
A schooner-rigged boat once used on the Great Lakes.
Origin of mackinaw
After Old Mackinac, a fort on the site of present-day Mackinaw City in northern Michigan
American Heritage Dictionary of the English Language, 5th Edition
Representing an earlier colloquial pronunciation of Mackinac, a strait between Lake Huron and Lake Michigan, an island in the strait, and an important trading-post on the island; ultimately from Ojibwemishinii-makinaang (“at the place of many snapping turtles").
Mackinaw Sentence Examples
In 1672 Jacques Marquette, a Jesuit father, after having established a mission to the Indians at Mackinaw (Michigan) in the preceding year, explored the country around Chicago.
North Pointe Inn: Located in Mackinaw City, this is one of Michigan's newest indoor water park hotels and offers guests a pool, two three-story water slides, an oversized spa, and an interactive children's play pool.
Just Outside of Town - Lake Hubbard is just a short drive away from other northern Michigan vacation areas, such as Mackinaw Island.
The awe-inspiring colors surrounding the courses of the Mackinaw City area, Boyne Country, St. Ives, and Gaylord Golf Mecca are second to none.
The three lakes of the middle group stand at practically the same level: Michigan and Huron are connected by the Strait of Mackinac (pronounced Mackinaw); Huron and Erie by the St Clair and Detroit rivers, with the small Lake St Clair between them.