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

debarkation \de`barka"tion\, n.
   disembarkation.
   1913 webster

         the debarkation, therefore, had to take place by small
         steamers.                                --u. s. grant.
   1913 webster

[2] : WordNet (r) 2.0

debarkation
     n : the act of passengers and crew getting off of a ship or
         aircraft syn: disembarkation, disembarkment ant: boarding
see also:
disembarkation disembarkment boarding 

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