Lingula

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  lingula \lin"gu*la\ (l[i^][ng]"g[-u]*l[.a]), n.; pl.
     {lin"gu*l[ae]} (l[i^][ng]"g[-u]*l[=e]). [L., a little
     tongue.]
     1. (Anat.) A tonguelike process or part.
        [1913 Webster]
  


     2. (Zool.) Any one of numerous species of brachiopod shells
        belonging to the genus {Lingula}, and related genera. See
        {Brachiopoda}, and Illustration in Appendix.
        [1913 Webster]
  
     {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.
        [1913 Webster]