Lingula
Pronunciation : Lin"gu*la
Part of Speech : n.;
Etymology : [L., a little tongue.]
Definition : 1. (Anat.)
Defn: A tonguelike process or part.
2. (Zo?l.)
Defn: Any one of numerous species of brachiopod shells belonging to the genus Lingula, and related genera. See Brachiopoda, and Illustration in Appendix. Lingula flags (Geol.), 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.
pl. -l
Source : Webster's Unabridged Dictionary, 1913