Definition of "buckle"
To distort or collapse under physical pressure; especially, of a slender structure in compression.
To give in; to react suddenly or adversely to stress or pressure (of a person).
To yield; to give way; to cease opposing.
To enter upon some labour or contest; to join in close fight; to contend.
To buckle down; to apply oneself.
To fasten using a buckle.
A clasp used for fastening two things together, such as the ends of a belt, or for retaining the end of a strap.
The brisure of an eighth daughter.
An upward, elongated displacement of a roof membrane frequently occurring over insulation or deck joints. A buckle may be an indication of movement with the roof assembly.