WordNet sense 1 (the fleshy red crest on the head of the domestic fowl and other gallinaceous birds):

cockscomb, coxcomb

WordNet sense 2 (search thoroughly):

ransack

WordNet sense 3 (the act of drawing a comb through hair):

combing

WordNet sense 4 (smoothen and neaten with or as with a comb):

disentangle, comb out