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lingula |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Lingula \Lin"gu*la\ (l[i^][ng]"g[-u]*l[.a]), n.; pl {-l[ae]} (-l[=e]). [L., a little tongue.] 1. (Anat.) A tonguelike process or part 2. (Zo["o]l.) 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.