Related Clues:

• Watermelon shape
• Like many a race route
• Shaped like an ellipse
• Not quite round
• Ellipsoid
• White House office
• Sort of circular
• Oblong
• Elliptic
• Like zero
• Curved shape
• Cameo-shaped
• Almond-shaped
• Like the rim of an eyecup
• Lionel track layout, maybe