'Mackinaw coat' definitions:

Definition of 'Mackinaw coat'

(from WordNet)
noun
A short plaid coat made of made of thick woolen material [syn: mackinaw, Mackinaw coat]

Definition of 'Mackinaw coat'

From: 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.]