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pinnamore about pinna

pinna

 

  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Pinna  \Pin"na\,  n.;  pl  {Pinn[ae]},  E.  {Pinnas}.  [L.,  a 
  feather.] 
  1.  (Bot.) 
  a  A  leaflet  of  a  pinnate  leaf.  See  Illust.  of  {Bipinnate 
  leaf},  under  {Bipinnate}. 
  b  One  of  the  primary  divisions  of  a  decompound  leaf. 
 
  2.  (Zo["o]l.)  One  of  the  divisions  of  a  pinnate  part  or 
  organ. 
 
  3.  [L.  pinna,  akin  to  Gr  ?.]  (Zo["o]l.)  Any  species  of 
  {Pinna},  a  genus  of  large  bivalve  mollusks  found  in  all 
  warm  seas.  The  byssus  consists  of  a  large  number  of  long, 
  silky  fibers,  which  have  been  used  in  manufacturing  woven 
  fabrics,  as  a  curiosity. 
 
  4.  (Anat.)  The  auricle  of  the  ear.  See  {Ear}. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Byssus  \Bys"sus\,  n.;  pl  E.  {Byssuses};  L.  {Byssi}.[L.  byssus 
  fine  flax,  fine  linen  or  cotton,  Gr  by`ssos  .] 
  1.  A  cloth  of  exceedingly  fine  texture,  used  by  the  ancients. 
  It  is  disputed  whether  it  was  of  cotton,  linen,  or  silk. 
  [Written  also  {byss}  and  {byssin}.] 
 
  2.  (Zo["o]l.)  A  tuft  of  long,  tough  filaments  which  are 
  formed  in  a  groove  of  the  foot,  and  issue  from  between  the 
  valves  of  certain  bivalve  mollusks,  as  the  {Pinna}  and 
  {Mytilus},  by  which  they  attach  themselves  to  rocks,  etc 
 
  3.  (Bot.)  An  obsolete  name  for  certain  fungi  composed  of 
  slender  threads. 
 
  4.  Asbestus. 
 
  From  WordNet  r  1.6  [wn]: 
 
  pinna 
  n  1:  division  of  a  usually  pinnately  divided  leaf  [syn:  {pinnule}] 
  2:  the  externally  visible  cartilaginous  structure  of  the 
  external  ear  [syn:  {auricle},  {ear}]




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