Buckle

1. n. A contorted expression, as of the face.
2. n. A device, usually of metal, consisting of a frame with one more movable tongues or catches, used for fastening things together, as parts of dress or harness, by means of a strap passing through the frame and pierced by the tongue.
3. n. A distortion bulge, bend, or kink, as in a saw blade or a plate of sheet metal.
4. n. A curl of hair, esp. a kind of crisp curl formerly worn; also, the state of being curled.
5. n. To join in marriage.
6. v. i. To bend permanently; to become distorted; to bow; to curl; to kink.
7. v. i. To bend out of a true vertical plane, as a wall.
8. v. i. To yield; to give way; to cease opposing.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.