cowskin

cow +‎ skin

cowskin (countable and uncountable, plural cowskins)

1. Leather made from the hide of a cow or similar animal.
2. A whip made of that material.
   • 1846 [1845], Frederick Douglass, Narrative of the Life of Frederick Douglass, an American Slave, Boston: Anti-Slavery Office, page 5:

     Mr. Plummer was a miserable drunkard, a profane swearer, and a savage monster. He always went armed with a cowskin and a heavy cudgel.

• Winsock