The crossword solution for the term WAVES WILDLY is FLAILS, a six-letter word. Flails are agricultural tools used to thresh grain, which involves separating the edible part of the grain from the inedible husk. The tool consists of a handle attached to a free-swinging stick, and when swung, the stick strikes the grain and separates the two parts. This same concept can be applied to the term WAVES WILDLY, as it implies a wild, uncontrolled motion, similar to the motion of a flail.