Definitions from Wiktionary (Eureka)

▸ noun:  Synonym of constantan (“copper-nickel alloy”)
▸ noun:  A rural locality in the Bundaberg Region, Queensland, Australia.
▸ noun:  A small suburb of Ballarat, Victoria, Australia.
▸ noun:  A community of Pictou County, Nova Scotia, Canada.
▸ noun:  A small research base in Fosheim Peninsula, Ellesmere Island, Qikiqtaaluk Region, Nunavut, Canada.
▸ noun:  A settlement in Waikato district, New Zealand.
▸ noun:  A number of places in the United States:
▸ noun:  A city, the county seat of Humboldt County, in northern California.
▸ noun:  A ghost town in Nevada County, California.
▸ noun:  A mining ghost town in San Juan County, Colorado.
▸ noun:  A city, the county seat of Woodford County, Illinois.
▸ noun:  An unincorporated community in Lawrence County, Indiana, also known as Geiberson.
▸ noun:  An unincorporated community in Luce Township, Spencer County, Indiana.
▸ noun:  A city, the county seat of Greenwood County, Kansas.
▸ noun:  A city in St. Louis County, Missouri.
▸ noun:  An unincorporated community in Cinque Hommes Township, Perry County, Missouri.
▸ noun:  A town in Lincoln County, Montana.
▸ noun:  An unincorporated town and census-designated place, the county seat of Eureka County, Nevada.
▸ noun:  A town in Wayne County, North Carolina.
▸ noun:  An unincorporated community in Warrington Township, Bucks County and Montgomery Township, Montgomery County, Pennsylvania.
▸ noun:  An unincorporated community in Aiken County, South Carolina.
▸ noun:  A city in McPherson County, South Dakota.
▸ noun:  A ghost town in Crockett County, Texas.
▸ noun:  A ghost town in Franklin County, Texas.
▸ noun:  A tiny city in Navarro County, Texas.
▸ noun:  A small city in Juab County, Utah.
▸ noun:  An unincorporated community in Walla Walla County, Washington.
▸ noun:  An unincorporated community in Pleasants County, West Virginia.
▸ noun:  A town in Polk County, Wisconsin.
▸ noun:  An unincorporated census-designated place in the town of Rushford, Winnebago County, Wisconsin.
▸ noun:  A number of townships in the United States, listed under Eureka Township.
▸ noun:  A given name, like for the protagonists of Eureka's Castle or Eureka Seven.

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