cantle

A splinter, slice, or sliver broken off something.

See how this river comes me cranking in, / And cuts me from the best of all my land / A huge half-moon, a monstrous cantle out.

Their armors forged were of metal frail; / On every side thereof huge cantles flies; / The land was strewed all with plate and mail, / That on the earth, on that their warm blood lies.

The raised back of a saddle.

He recognised a horse when he saw one, and could do more than fill a cantle.

Next day, he returned with a camel-saddle of equal beauty, the long brass horns of its cantles adorned with exquisite old Yemeni engraving.

The top of the head.

On many styles of sporran, a metal arc along the top of the pouch, usually fronting the clasp.

To cut into pieces.

To cut out from.