Meaning of koji | Babel Free

Definitions

1. A male given name from Japanese.
2. A substance that is produced by letting a mold, especially Aspergillus oryzae, grow on rice, barley, soybeans, etc., used to make fermented products such as sake, amazake, miso, and soy sauce.
   uncountable, usually
3. The mold used in such a preparation.
   uncountable, usually

CEFR level