Word Meaning

lunule definition and meaning

n. Anything crescent-shaped; a crescent-shaped part or mark; a lunula, a lune.
n. A lune. See Lune.
n. A small or narrow crescent.
n. 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. See Illust. of Bivalve.