三ㄙㄢsān焦ㄐㄧㄠjiāo

  1. 中醫上指食道、胃、腸等部分。分上、中、下三焦，屬於六腑。

英(TCM)​ the three truncal cavities (thoracic, abdominal and pelvic)​, known as the "triple heater" or "San Jiao"