Related Clues:

• Point to bird's back
• Point to bird's rump
• Rear small bird
• Not smiling back
• Hard - back
• Stiff - back - not smiling
• Severe -- back of boat
• Rigorous - back of boat
• Unyielding — rump
• Ship back?
• Uncompromising virtuoso
• Austere part of a ship?
• Rear, in the Navy
• Bow's counterpart
• Fiddling Isaac