1. A Native American tribe: The Maricopa are a Native American tribe who traditionally lived in the region now known as Arizona. Their name originates from the Pima language, and it is believed to mean "people who live at the river" or "river people."
2. A county in Arizona: Maricopa County is the most populous county in Arizona, and it encompasses the city of Phoenix and several other surrounding cities. It is named after the Maricopa tribe.
3. A city in Arizona: Maricopa, Arizona is a city located in Pinal County, Arizona. It is named after the Maricopa tribe, though it is not located in Maricopa County.
4. A brand of water: Maricopa Springs is a brand of bottled water that is sourced from natural springs in Arizona.
Therefore, the meaning of "Maricopa" is usually connected to the Native American tribe or the geographical location in Arizona. It's important to consider the context in which the word is used to determine its precise meaning.