What is 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 called?

coble — 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. (Webster's 1913.)

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