Source : Webster's Revised Unabridged Dictionary (1913)

Disburden \Dis*bur"den\, v. t. [See {Burden}, v. t.] [Cf.
   {Disburthen}.]
   To rid of a burden; to free from a load borne or from
   something oppressive; to unload; to disencumber; to relieve.

         He did it to disburden a conscience.     --Feltham.

         My mediations . . . will, I hope, be more calm, being
         thus disburdened.                        --Hammond.

   Syn: To unload; unburden; discharge; free.

Disburden \Dis*bur"den\, v. i.
   To relieve one's self of a burden; to ease the mind.
   --Milton.

Source : WordNet®

disburden
     v : take the burden off; remove the burden from; "unburden the
         donkey" [syn: {unburden}] [ant: {burden}]