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cubit 音标拼音: [kj'ubɪt] n. 腕尺 腕尺 cubit n 1: an ancient unit of length based on the length of the forearmCubit \ Cu" bit\ ( k[= u]" b[ i^] t), n. [ L. cubitum, cubitus; elbow, ell, cubit, fr. ( because the elbow serves for leaning upon) cubare to lie down, recline; cf. Gr. ky` biton elbow, ky` ptein to bend, stoop, kyfo` s bent, stooping, humpbacked. Cf. { Incumbent}, { Covey}.] 1. ( Anat.) The forearm; the ulna, a bone of the arm extending from elbow to wrist. [ Obs.] [ 1913 Webster] 2. A measure of length, being the distance from the elbow to the extremity of the middle finger. [ 1913 Webster] Note: The cubit varies in length in different countries, the Roman cubit being 17. 47 inches, the Greek 18. 20, the Hebrew somewhat longer, and the English 18 inches. [ 1913 Webster]
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