The term LO MEIN VESSEL can be solved by the three letter word WOK. A wok is a round-bottomed cooking vessel originating from China. It is used in a range of Chinese cuisines, as well as other Asian cuisines such as Thai and Vietnamese. The wok is used for stir frying, deep frying, steaming, poaching, boiling, braising, searing, and smoking. Lo mein is a Chinese dish made with egg noodles, vegetables, and meat or seafood. The ingredients are cooked in a wok and served with a savory sauce. Therefore, a wok is the perfect vessel for making lo mein.