noun, noun or participle which takes 'suru', intransitive verb
sharing pleasure; sleeping together
Formal or literary term for intimate pleasure-sharing, often implying sexual relations. Used as a noun or with する as an intransitive verb.
二人は一夜の合歓を楽しんだ。
The two enjoyed a night of shared pleasure.
The poem depicts the intimate union of a man and a woman.
noun
Abbreviation of 合歓木 (ねむのき). Rare standalone use; normally encountered in the full form or in botanical contexts.
合歓は夏に淡紅色の花を咲かせる。
The silk tree blooms with pale pink flowers in summer.