クミスクミスMeanings1nounkumis; koumissA traditional fermented dairy drink made from mare's or camel's milk, common in Central Asia. Also referred to as 馬乳酒 (ばにゅうしゅ).See also: 馬乳酒 (ばにゅうしゅ)モンゴルではクミスがよく飲のまれている。Kumis is commonly drunk in Mongolia.