Related Clues:

• Locket shape, often
• Like a D.C. office
• Roundish shapes
• Course for a horse
• Like a world-famous office
• Speed-skater's venue
• Watermelon's silhouette
• Racing venue
• Shaped like an avocado
• Like Ford's logo
• Shaped like a face
• Amphitheater
• Track form
• One of Clinton's old offices
• Not quite circular