plural er·u·bin [air-oo-vin, er-; Sephardic Hebrew e-roo-veen; Ashkenazic Hebrew ey-roo-vin], /ˈɛər ʊˌvɪn, ˈɛr-; Sephardic Hebrew ɛ ruˈvin; Ashkenazic Hebrew eɪˈrʊ vɪn/, er·ubs.Judaism.