橙だいだい酢ずだいだいずMeanings1nounbitter orange juice (food acid)food / cookingUsed as a souring agent in Japanese cooking, similar to ponzu but specifically from bitter orange (daidai).See also: ポン酢 · ポンスこの鍋なべ料りょう理りには橙だいだい酢ずをかけるとさっぱりする。This hot pot dish becomes refreshing when you add bitter orange juice.