From Japanese-English FreeDict Dictionary ver. 0.1:
[ichi1] [news1] [nf23] 杯, 盃, 坏, 巵, 卮, 盞, 觚, 觴, (word containing irregular kanji usage) 酒盃, [ichi1] [news1] [nf23] さかずき, さかづき, (盞) うき
(noun (common) (futsuumeishi))
sake cup, cup for alcoholic beverages
From Japanese-English FreeDict Dictionary ver. 0.1:
杯, 盃, はい, (杯) (out-dated or obsolete kana usage) はた
1. (はい)
(noun (common) (futsuumeishi))
sake cup, cup for alcoholic beverages
2. (suffix)
(counter)
counter for cupfuls
3. (はい)
counter for ships, octopuses and squid
From Japanese-English FreeDict Dictionary ver. 0.1:
坏, 杯, つき
(noun (common) (futsuumeishi))
Note: archaismshallow bowl