The two exchanged a vow of eternal love.
sexual relations; sexual intercourse
Euphemistic and literary; used to refer to intimate relations in a poetic or indirect way.
The night they consummated their bond, the moon was beautiful.
Rare, archaic sense implying a fated connection, often between lovers. Modern Japanese uses 運命 or 宿命 instead.
In old tales, it was believed that destiny bound the two together.
marriage vows; pledge of eternal love
Standard kanji spelling for all senses.
Kana spelling is common in everyday writing, especially when the intended kanji is broad or not important.
Derived from the verb 契る (ちぎる, 'to pledge, to vow'). The noun form 契り nominalizes the action, carrying the sense of a binding promise or fated connection.