The term 'Had the Upper Hand' can be broken down into two crossword solutions, LED and HELDSWAY. LED is an acronym for Light Emitting Diode, a type of semiconductor device that emits light when an electric current passes through it. HELDSWAY is a verb meaning to have control or influence over someone or something. Together, these two words describe the phrase 'Had the Upper Hand, ' which means to have an advantage or be in a superior position.