Definitions

1. noun

a device for fastening something, especially a strap or belt, by pressing a catch or release.

“She struggled to fasten the buckle of her shoe.”

2. verb

to lose control or collapse, especially under stress or pressure.

“The team began to buckle under the intense pressure of the opposing team’s attack.”

3. verb

to bend or curve under pressure or stress.

“The metal pipe buckled under the weight of the heavy load.”

4. verb

to yield or give in, especially to a demand or a situation.

“The government buckled to the demands of the protesters.”