Save Gender Masculine Usage Vietnamese Pronounced Pron. /xaːj˧˩/, /kʰaːj˧˨/, /xaːj˧˨/, /kʰaːj˨˩˦/, /xaːj˨˩˦/ [key·simplify] Meaning & History From Sino-Vietnamese 凱 (khải) meaning "triumph, victory".