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(ks"t), n.[L., rib. See Coast.] 1. (Anat.) A rib of an animal or a human being. 2. (Bot.) A rib or vein of a leaf, especially the midrib. 3. (Zol.) (a) The anterior rib in the wing of an insect. (b) One of the riblike longitudinal ridges on the exterior of many corals. スポンサード リンク
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