CHINE
Source: 566, 567
chine. Chine, n. the back bone; v.t. to cut into chines
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Chine (?), n. [[Cf. Chink.]] A chink or cleft; a narrow and deep ravine; as, Shanklin Chine in the Isle of Wight, a quarter of a mile long and 230 feet deep. “The cottage in a chine.” J. Ingelow.