合欢 héhuān silk tree Definitions Defs Origin Strokes Stroke Words Sentences Sents 金合欢 jīnhéhuān acacia A spiny evergreen shrub or small tree in the legume family with fragrant yellow flowers, used for medicine, dyes, and perfumes.合欢被 héhuānbèi nuptial quilt bedding shared by a couple, especially one decorated with motifs symbolizing marital harmony