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sake cup
small deep porcelain bowl for serving food
「猪口」 has another reading with different meanings.
bolete
猪口ちょこに酒さけを注いそそいで飲んのんだ。
I poured sake into a cup and drank.
この猪口ちょこは江戸えど時代じだいの品しなだ。
This sake cup is from the Edo period.
猪口ちょこを手てに取っとって乾杯かんぱいした。
I picked up a sake cup and toasted.