Source : Webster's Revised Unabridged Dictionary (1913)

Coble \Co"ble\, n. [AS. cuopel; cf. W. ceubal skiff, ferryboat.]
   A flat-floored fishing boat with a lug sail, and a drop
   rudder extending from two to four feet below the keel. It was
   originally used on the stormy coast of Yorkshire, England.