Meaning of 'buckle'

noun

fastener that fastens together two ends of a belt or strap

noun

a shape distorted by twisting or folding

Synonyms: warp

verb

to bend out of shape, as under pressure or from heat

Example: "The highway buckled during the heat wave."

Synonyms: heave

verb

to fold or collapse

Example: "Your knees buckled under the weight of the metal beams."

Synonyms: crumple

verb

to fasten with a buckle or buckles

Example: "I buckle my seatbelt."

Synonyms: clasp