Jōyō kanji, Taught in junior high
JLPT level: N1
898 of 2500 most used kanji in newspapers
Stroke count: 9
Meaning: pledge, promise, vow
Kunyomi: ちぎ.る
Onyomi: ケイ
Composition: 大
Radical: 大
Meaning: big, very
契約 (ケイヤク) contract, compact, agreement
契機 (ケイキ) opportunity, chance, trigger, cause
幽契 (ユウケイ) secret promise made to the gods
黙契 (モッケイ) implicit agreement, tacit understanding
契る (ちぎる) to pledge, to vow, to promise, to swear, to have sexual intercourse (esp. between husband and wife), to share a bed