kvass means A fermented cereal-based low alcoholic beverage, often flavored with fruit, honey and herbs. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- A fermented cereal-based low alcoholic beverage, often flavored with fruit, honey and herbs.“The station-master coming up asked her whether she was going by train. A boy selling kvas never took his eyes off her.”