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lingula

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.