a short double-breasted coat of a thick woolen material, commonly plaid.

Origin of mackinaw

First recorded in 1755–65; spelling variant of Mackinac
Also called Mackinaw coat, mackinaw coat.
Related formsmack·i·nawed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for mackinaw coat

Mackinaw coat


mainly US and Canadian a thick short double-breasted plaid coatAlso called: mackinaw

Word Origin for Mackinaw coat

C19: named after Mackinaw, variant of Mackinac
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for mackinaw coat


type of boat used on the Great Lakes, 1812, from Mackinac, name of a port and island in Michigan, from Ojibway (Algonquian) mitchimakinak "many turtles," from mishiin- "be many" + mikinaak "snapping turtle." As a type of heavy blanket given to the Indians by the U.S. government, it is attested from 1822.

Online Etymology Dictionary, © 2010 Douglas Harper