| Noun | 1. | mackinaw - a short plaid coat made of made of thick woolen materialcoat - an outer garment that has sleeves and covers the body from shoulder down; worn outdoors | |
| 2. | mackinaw - a thick plaid blanket formerly used in the northwestern United Statesblanket, cover - bedding that keeps a person warm in bed; "he pulled the covers over his head and went to sleep" | |
| 3. | mackinaw - a flat-bottomed boat used on upper Great Lakesboat - a small vessel for travel on water | |
| 4. | mackinaw - a heavy woolen cloth heavily napped and felted, often with a plaid designcloth, fabric, textile, material - artifact made by weaving or felting or knitting or crocheting natural or synthetic fibers; "the fabric in the curtains was light and semitraqnsparent"; "woven cloth originated in Mesopotamia around 5000 BC"; "she measured off enough material for a dress" | |