mudhook

From mud +‎ hook.

mudhook (plural mudhooks)

1. (slang) An anchor, as used in the game of crown and anchor.
   • 1901 (August 21), “Gambling on Transports”, London Daily News, page: 8

     These are marked with the four aces and a crown and anchor—the latter usually referred to as "The Old Mud-hook".