Related Clues:

• Practice pugilism
• Prepare for the ring
• Argue
• Translucent mineral
• Practice one's one-two
• Debate in court
• Lock horns
• Mix it up
• Present a case in court
• Not cede the point
• Canvas support
• Box without a prize
• Jib boom or gaff
• Sailboat feature
• Box with headgear