The crescent-shaped area at the base of the human fingernail

• Crescent-shaped mark on a fingernail
• Crescent-shaped area on a fingernail
• Fingernail mark

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Lunule \Lu"nule\, n. [F., fr. L. lunula, dim. of luna moon.] (Anat.) Anything crescent-shaped; a crescent-shaped part or mark; a lunula; a lune. (Chem.) A lune. See Lune . (Zo["o]l.) A small or narrow crescent. A special area in front of the beak of many ...

Wiktionary Word definitions in Wiktionary
n. 1 Anything crescent-shaped; a crescent-shaped part or mark; a lunula or lune. 2 A special area in front of the beak of many bivalve shells, sometimes shaped like a double crescent, but more often heart-shaped.

WordNet Word definitions in WordNet
n. the crescent-shaped area at the base of the human fingernail [syn: half-moon , lunula ]

Wikipedia Word definitions in Wikipedia
A lunule (from the Latin meaning small moon or crescent moon) is an anatomical feature which is found in the exterior surface of the shells of some species of clams, bivalve mollusks , as for example in the family Veneridae and in the genus Ascetoaxinus ...