Webster's Revised Unabridged Dictionary · 1913

Buckle

Buckle ({not transcribed}) , noun

[Old English bocle buckle, boss of a shield, Old French bocle, French boucle, boss of a shield, ring, from Latin buccula a little cheek or mouth, dim. of bucca cheek; this boss or knob resembling a cheek.]

1.
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.
2.
A distortion bulge, bend, or kink, as in a saw blade or a plate of sheet metal. — Knight
3.
A curl of hair, esp. a kind of crisp curl formerly worn; also, the state of being curled.
Earlocks in tight buckles on each side of a lantern face. — W. Irving
Lets his wig lie in buckle for a whole half year. — Addison
4.
A contorted expression, as of the face. [Rare]
'Gainst nature armed by gravity, His features too in buckle see. — Churchill

Buckle ({not transcribed}) , transitive verb

[Old English boclen, French boucler. See Buckle, n.]

1.
To fasten or confine with a buckle or buckles; as, to buckle a harness.
2.
To bend; to cause to kink, or to become distorted.
3.
To prepare for action; to apply with vigor and earnestness; -- formerly, generally used reflexively, but by mid 20th century, usually used with down; -- as, the programmers buckled down and worked late hours to finish the project in time for the promised delivery date.
Cartwright buckled himself to the employment. — Fuller
4.
To join in marriage. [Scottish] — Sir W. Scott

Buckle (buk"k'l) , intransitive verb

1.
To bend permanently; to become distorted; to bow; to curl; to kink.
Buckled with the heat of the fire like parchment. — Pepys
2.
To bend out of a true vertical plane, as a wall.
3.
To yield; to give way; to cease opposing. [Obsolete]
The Dutch, as high as they seem, do begin to buckle. — Pepys
4.
To enter upon some labor or contest; to join in close fight; to struggle; to contend.
The bishop was as able and ready to buckle with the Lord Protector as he was with him. — Latimer
In single combat thou shalt buckle with me. — Shakespeare
To make our sturdy humor buckle thereto. — Barrow
Before buckling to my winter's work. — J. D. Forbes
Collocations (1)
To buckle to , to bend to; to engage with zeal.