Definition of whisky jack in English:
Another term for grey jay.
- There is a downy woodpecker on one of the birdfeeders and whisky jacks darting across the frosty boughs.
- In camp, entertainment by chipmunks, red squirrels, whisky jacks, and snowshoe hares will keep you chuckling.
- Chimpanzees and whisky jacks share the habit of assembling jumbles of trash.