The story
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An implement for informal corporal punishment, usually consisting of about 18 inches of rope, made heavier and more brittle by dipping in hot tar, usually with a knot in the receiving end, or simulated by pleating leather shoelaces to form a single length as a thin whip. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.