中医切脉部位名。两手掌后一寸桡动脉处。凡肝﹑心﹑脾﹑肺﹑肾之脉皆会于此。也叫"气口"或"脉口"。 -----------------国语辞典：中医切脉的部位。约在手掌后一寸处。英语 location on wrist over the radial artery where pulse is taken in TCM
◎ 寸草春晖 cùncǎo-chūnhuī[parents love can hardly be reciprocated by their children] 指亲恩之重,有如春晖,子女虽尽全力,亦不足以报效万一 -----------------国语辞典：寸草，比喻子女。春晖，比喻父母。语本唐．孟郊〈游子吟〉：「谁言寸草心，报得三春晖。」比喻父母恩情深重，子女即使竭尽心意也难以报答。