立ち会う たちあう Also written 立会う Meanings Godan verb, Intransitive to be present (esp. during a birth); to be witness to; to attend Kanji 立 stand. Read as たち. 会 meet. Read as あう. Common phrases 現場に立ち会う 出産に立ち会う 瞬間に立ち会う 実験に立ち会う 場に立ち会う 撮影に立ち会う 場面に立ち会う Jinuma: Japanese Dictionary · Word lists