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  1  definition  found 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
  Ectosarc  \Ec"to*sarc\,  n.  [Ecto-  +  Gr  ?,  ?,  flesh.]  (Biol.) 
  The  semisolid  external  layer  of  protoplasm  in  some 
  unicellular  organisms,  as  the  am[oe]ba;  ectoplasm;  exoplasm.