The Collaborative International Dictionary of English v.0.48:
Congested \Con*gest"ed\, a. 1. (Bot.) Crowded together. --Gray. [1913 Webster] 2. (Med.) Containing an unnatural accumulation of blood; hyper[ae]mic; -- said of any part of the body. [1913 Webster]WordNet (r) 3.0 (2006):
congested adj 1: overfull as with blood [syn: congested, engorged]