1.  concentration camp(n = noun.artifact) stockade - a penal camp where political prisoners or prisoners of war are confined (usually under harsh conditions);
is a kind of camp
has particulars: death camp

2.  concentration camp(n = noun.state) - a situation characterized by crowding and extremely harsh conditions;
is a kind of miserableness, misery, wretchedness

boot camp, break camp, camp, camp bed, camp chair, camp david, camp down, camp follower, camp meeting, camp out, camp robber, concentration, day camp, death camp, detention camp, high camp, hobo camp, hydrogen ion concentration, internment camp, king camp gilette, labor camp, molal concentration, molar concentration, pow camp, prison camp, prisoner of war camp, refugee camp, summer camp, tennis camp, trailer camp, work camp