Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Lunule

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Lunule: 1. The crescent-shaped area at the base of a fingernail or toenail. 2. Any small crescent- or moon-shaped area or structure.
Borrowed from the French lunule, from the Latin lunula, the diminuitive of luna, the moon. Also called the lunula.

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