adzukiPronunciation: /ədˈzuːki/ (also adzuki bean, aduki)Definition of adzuki noun (plural adzukis) 1a small, round dark-red edible bean. 2the bushy Asian plant which produces the adzuki bean. Vigna angularis, family Leguminosae Origin: early 18th century: from Japanese azukiadzuki in other Oxford dictionaries Definition of adzuki in the US English dictionary