Yiddish Etymology פּראָפֿעסאָר (profesor) + ־ין (-in). Pronunciation IPA(key): /pʁɔfɛˈsɔʁɪn/ Noun פּראָפֿעסאָרין • (profesorin) f, plural פּראָפֿעסאָרינס (profesorins) female professor (a higher ranking for a teacher or faculty member at a college or university) Wikiwand - on Seamless Wikipedia browsing. On steroids.