kefir

• ⇰ An effervescent liquor like kumiss, made from fermented milk, used as a food and as a medicine in the northern Caucasus.
• ⇰ A sour fermented milk drink, used in various regions of Asia, made by addition of <gen>Streptococcus</gen> or <gen>Lactobacillus</gen> cultures to cow's or goat's milk; it is considered by some as a form of yoghurt.