车马走过的痕迹。后亦引申为行踪、踪迹。《宋・朱熹・卧龙庵记》：“余既惜其出于荒堙废壤之余，而又幸其深阻敻绝，非车尘马迹所能到。”亦作“车辙马迹”。
英语 rut made by passing vehicles and prints left by horses' hoofs
