Cat-o'-nine-tails

имя существительное кошка (плеть)

Большой англо-русский словарь

Cat-o'-nine-tails

noun (plural cat-o'-nine-tails) Etymology: from the resemblance of its scars to the scratches of a cat a whip made of usually nine knotted lines or cords fastened to a handle

Merriam-Webster's Collegiate Dictionary