From Japanese-English FreeDict Dictionary ver. 0.1:
[ichi1] [news1] [nf23] 杯 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 盃 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 坏 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 巵 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 卮 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 盞 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 觚 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, 觴 /(en)tʃˈaɪniːz(ja)lˈe̞tə/, (word containing irregular kanji usage) 酒盃 /(en)tʃˈaɪniːz(ja)lˈe̞tə (en)tʃˈaɪniːz(ja)lˈe̞tə/, [ichi1] [news1] [nf23] さかずき /sˌäkäzˈɯᵝki/, さかづき /sˌäkäzˈɯᵝki/, (盞) うき /ˈɯᵝki/
(noun (common) (futsuumeishi))
sake cup, cup for alcoholic beverages