Entry 1 sense Webster, 1913 Innkeeper /ĭn'-kēpˌ-ẽr/ · Inn·keep·er · IPA /ˈɪnkiːpəɹ/ 01 n. One who keeps an inn; the proprietor or manager of an inn or hotel. 1. One who keeps an inn; the proprietor or manager of an inn or hotel. Syn. innholder.