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Related to chined: chained
a. The backbone or spine, especially of an animal.
b. A cut of meat containing part of the backbone.
2. A ridge or crest.
3. Nautical The line of intersection between the side and bottom of a flatbottom or V-bottom boat.
tr.v. chined, chin·ing, chines
To cut (a carcass, for example) through the spine, as when butchering.