Fishing float is a device used by anglers to keep their bait and line at the desired depth in the water. The two crossword solutions for this term are CORK (4 letters) and BOB (3 letters). CORK is a buoyant material made from the bark of the CORK oak tree, which is often used as a fishing float. BOB is a type of fishing float that is attached to the line and can be used to indicate when a fish has taken the bait.