The skin shed by a snake or other reptile.

“That is the slough of a rattler; we must be careful.”

Dead skin on a sore or ulcer.

“This is the slough that came off of his skin after the burn.”

To shed (skin).

“Snakes slough their skin periodically.”

To slide off (like a layer of skin).

“A week after he was burned, a layer of skin on his arm sloughed off.”

To discard.

“East sloughed a heart.”