pilling

Of a woven fabric surface, to form small matted balls of fiber.

To form into the shape of a pill.

“Pilling is a skill rarely used by modern pharmacists.”

To medicate with pills.

“She pills herself with all sorts of herbal medicines.”

To persuade or convince someone of something.

To peel; to remove the outer layer of hair, skin, or bark.

To peel; to make by removing the skin.

To be peeled; to peel off in flakes.

To pillage; to despoil or impoverish.

Balls of fibre formed on clothing through usage, often called pill or pills.