| lunule | 1. <anatomy> Anything crescent-shaped; a crescent-shaped part or mark; a lunula, a lune. 2. <chemistry> A lune. See Lune. 3. <zoology> A small or narrow crescent. A special area in front of the beak of many bivalve shells. It sometimes has the shape of a double crescent, but is oftener heart-shaped. Origin: F, fr. L. Lunula, dim. Of luna moon. Source: Websters Dictionary (01 Mar 1998) |
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| lunulet | <zoology> A small spot, shaped like a half-moon or crescent; as, the lunulet on the wings of many insects. Origin: Dim. Of lunule. Source: Websters Dictionary (01 Mar 1998) |
| lunule | the crescent-shaped area at the base of the human fingernail |
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