What is "periwigged"

Usage examples of "periwigged".

He would have felt and looked more at home there than any of the periwigged Persons of Quality who darted across its stone floor, nervously, like stoats trying to make it across a darkling sandbar before owls could stoop on them.

Sterne, and took comfort that the dinner seemed to disagree entirely with the periwigged fellow.

Count von Rumford only 105 years before, though that powdery and periwigged age now seemed a distant eon compared with the roll-your-sleeves-up robustness of the late Victorians.