1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Spermoderm  \Sper"mo*derm\,  n.  [Spermo-  +  derm:  cf  F. 
  spermoderme.]  (Bot.) 
  The  covering  of  a  seed;  --  sometimes  limited  to  the  outer 
  coat  or  testa.  --Lindley. 

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