noun, verb, chined, chin⋅ing.| 1. | the backbone or spine, esp. of an animal. |
| 2. | the whole or a piece of the backbone of an animal with adjoining parts, cut for cooking. |
| 3. | a ridge or crest, as of land. |
| 4. | Nautical.
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| 5. | (in butchering) to sever the backbone of. |