1. plural of buckle; metal or plastic fasteners with a frame and movable pin used to secure belts, straps, or shoes

1. third person singular present of buckle; fastens with a buckle
2. third person singular present of buckle; bends, warps, or gives way under pressure or stress

Examples

• The belt buckles are made of polished silver.
• She buckles her seatbelt before starting the car.
• The metal buckles under extreme heat.
• His shoe buckles came loose during the race.
• The bridge buckles when heavy trucks cross it.
• He always buckles his helmet strap tightly.
• The plastic buckles on her backpack broke.