Entry 1 sense Webster, 1913 Bookkeeper /bo͝ok'-kēpˌ-ẽr/ · Book·keep·er · IPA /ˌbʊkˈkiː.pə(ɹ)/ 01 n. One who keeps accounts; one who has the charge of keeping the books and accounts in an office. 1. One who keeps accounts; one who has the charge of keeping the books and accounts in an office.