◎ 骖乘 cānchéng
[sit on right side of the train as accompany to host in anciant China] 又作“参乘”,陪乘或陪乘的人。古时乘车,尊者在左,御者在中,又一人在右,称车右或骖乘。由武士充任,负责警卫
沛公之参乘 樊哙者也。——《史记·项羽本纪》