[1] : The Collaborative International Dictionary of English v.0.48

decedent \dece"dent\, a. l. decedens, p. pr. of decedere.
   removing; departing. --ash.
   1913 webster

[2] : The Collaborative International Dictionary of English v.0.48

decedent \dece"dent\, n.
   a deceased person. --bouvier.
   1913 webster

[3] : WordNet (r) 2.0

decedent
     n : someone who is no longer alive; "i wonder what the dead
         person would have done" syn: dead person, dead soul,
          deceased person, deceased, departed
see also:
dead person dead soul deceased person deceased departed 

[4] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

decedent. in the acts of descent and distribution in pennsylvania, this word 
is frequently used for a deceased person, testate or intestate. 

Decedent >> D Words
Decedent, definition of term: Decedent
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