Result from Foreign Dictionaries (2 entries found)
From The Collaborative International Dictionary of English v.0.48 [gcide]:
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.]
[Webster 1913 Suppl.]
From WordNet (r) 3.0 (2006) [wn]:
Mackinaw coat
n 1: a short plaid coat made of made of thick woolen material
[syn: {mackinaw}, {Mackinaw coat}]