Source : Webster's Revised Unabridged Dictionary (1913)

Congested \Con*gest"ed\, a.
   1. (Bot.) Crowded together. --Gray.

   2. (Med.) Containing an unnatural accumulation of blood;
      hyper[ae]mic; -- said of any part of the body.

Source : WordNet®

congested
     adj : overfull as with blood [syn: {engorged}]