"A Community Kollel is a group of young, dedicated Jewish families who live, learn and teach in the community." (source)
"After marriage and five years of kest (the equivalent of kollel that existed for promising young talmidei chachamim in pre-World War I Eastern Europe), he became rav in Kveidan, a town near Kovno, Lithuania, where he remained through World War I before he moved to America." (source)
"Her husband's in kolel, so they really need the second income." (Glinert)