Related Clues:

• Go toe-to-toe
• Airplane wing supporter
• Mast, yard, boom, or gaff
• Fight, but not all-out
• Pole used in rigging
• Don't go quietly
• Go a round in a ring
• Word with ''black'' or ''shadow''
• Practice on canvas
• Practice one's punches
• Box for fun
• See 2 Down
• Indulge in pugilism
• Produce some combinations, say
• Box gently