Scut

Part of speech: noun (n.)

The tail of a hare, or of a deer, or other animal whose tail is short, sp. when carried erect; hence, sometimes, the animal itself. "He ran like a scut." Skelton. How the Indian hare came to have a long tail, wheras that part in others attains no higher than a scut. Sir T. Browne. My doe with the black scut. Shak.