Eureka
Pronunciation : Eu*re"ka.
Etymology : [Gr.
Definition : Defn: The exclamation attributed to Archimedes, who is said to have cried out "Eureka! eureka!" (I have found it! I have found it!), upon suddenly discovering a method of finding out how much the gold of King Hiero's crown had been alloyed. Hence, an expression of triumph concerning a discovery.
Source : Webster's Unabridged Dictionary, 1913