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.
[Middle English, from Old French eschine, of Germanic origin; see skei- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.