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lacunaemore about lacunae


  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Lacuna  \La*cu"na\,  n.;  pl  L.  {Lacun[ae]};  E.  {Lacunas}.  [L., 
  ditch,  pit,  lake,  orig.,  anything  hollow.  See  {Lagoon}.] 
  1.  A  small  opening;  a  small  pit  or  depression;  a  small  blank 
  space;  a  gap  or  vacancy;  a  hiatus. 
  2.  (Biol.)  A  small  opening;  a  small  depression  or  cavity;  a 
  space,  as  a  vacant  space  between  the  cells  of  plants,  or 
  one  of  the  spaces  left  among  the  tissues  of  the  lower 
  animals,  which  serve  in  place  of  vessels  for  the 
  circulation  of  the  body  fluids,  or  the  cavity  or  sac, 
  usually  of  very  small  size,  in  a  mucous  membrane. 

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