What is referred to by 'a wheel shaft'?

Based on the clue 'a whale of legendary size ferocity tormentor of a...', what is the answer? Based on the clue 'a wharf where ships are unloaded or a metal implem...', what is the answer? Based on the clue 'a wheel of fortune star turns into a banner of sur...', what is the answer? Based on the clue 'a wheel of this british cheese made for queen vict...', what is the answer? Based on the clue 'a wheel that rotates 360 degrees makes a complete ...', what is the answer? Based on the clue 'a wheels resistance to stopping its turning motion...', what is the answer? Based on the clue 'a while silhouette of a bison bearing the state se...', what is the answer? Based on the clue 'a whip or a mascaraed hair 4', what is the answer?