Definition of lunula in English:



  • 1A crescent-shaped object or mark, in particular.

    1. 1.1The white area at the base of a fingernail.
      • ‘The whitish crescent-shaped area at the base of the nail is called the lunula.’
      • ‘The lateral sides of the nail plate show exaggerated convexity, the lunula disappears, and the nail takes on a yellow hue.’
      • ‘Injuries classified as zone II are located distal to the lunula of the nail bed and are complicated by the bony exposure of the distal phalanx.’
      • ‘The whitish, half-moon-shaped area at the base of your nail is called the lunula (LOO-nu-luh).’
      • ‘In patients with severe renal disease, the proximal portion of the nail bed can turn white, obliterating the lunula and giving a half-brown, half-white appearance, also called half-and-half nails.’
    2. 1.2Printing One of a pair of parentheses.
      • ‘It is this contrast between the syntactical presumption of the lunulae and the effect is actually has which poets have exploited.’


Late 16th century (denoting a crescent-shaped geometric figure): from Latin, diminutive of luna moon.