Related Clues:

• Rectangle part
• Choose one over the other
• Polygon part
• Flank
• Show partisanship
• Fries, say
• Competing team
• Record half
• Beef purchase
• Dish or street preceder
• Hypotenuse, e.g.
• Join (with)
• Align (with)
• Part of a square
• The margin runs along it