dìng
定
cóng
从
dìngzòng
ㄉㄧㄥˋㄗㄨㄥˋ
定從
定从 dìngzòng [conclude a treaty to collaborate with Qin State] 订立合纵的盟约 遂定从于殿上。——《史记·平原君虞卿列传》