buckle
🇺🇸
/ˈbʌkl/
🇬🇧
/ˈbʌkl/
to fasten or be fastened with a buckle
You need to buckle your seat belt before driving.
to bend or break under pressure
The metal will buckle if too much weight is put on it.
when knees become weak and give way
His knees started to buckle from exhaustion.
a metal or plastic fastener for belts, shoes, or bags
The belt has a shiny silver buckle.