1. The skin of a buck.
2. A soft strong leather, usually yellowish or grayish in colour, made of deerskin.
3. A person clothed in buckskin, particularly an American soldier of the Revolutionary war. Cornwallis fought as lang's he dought, An' did the buckskins claw, man. (Burns)
4. Breeches made of buckskin. I have alluded to his buckskin. (Thackeray)