lingula /(lĭṉ"gū̇*lȧ)/

lin·gu·la

lingula

n.

pl. lin"gu*læ ((lĭṉ"gū̇*lē))

  1. A tonguelike process or part. (Anat.)
  2. Any one of numerous species of brachiopod shells belonging to the genus Lingula, and related genera. See Brachiopoda, and Illustration in Appendix. (Zool.)

Phrases & Compounds
Lingula flags
a group of strata in the lower Silurian or Cambrian system of Wales, in which some of the layers contain vast numbers of a species of Lingula.