1. comb through - Verb
2. comb through - Phrase
comb through (third-person singular simple present combs through, present participle combing through, simple past and past participle combed through)
(transitive) To examine scrupulously.
Over the last two years, I have been able to comb through The Prince's archives. I have been free to read his journals, diaries and many thousands of the letters. Jonathan Dimbleby