黒くろ大だい豆ずMeanings1nounblack soybeanRefers specifically to the black variety of soybean, often used in Japanese cuisine for dishes like kuromame.See also: 黒豆黒くろ大だい豆ずはおせち料りょう理りの黒くろ豆まめに使つかわれます。Black soybeans are used for the kuromame in New Year's dishes.