comb-out (Noun) — The act of using a comb to remove tangles from hair.
comb-out (Noun) — The act of carefully weeding out unwanted things or people. ex. "the department got a good comb-out"
comb-out (Verb) — Remove unwanted elements. ex. "The company combed out the incompetent people"
comb-out (Verb) — Smoothen and neaten with or as with a comb. ex. "comb out your hair before dinner"