What is the meaning of the word "jacksonville"?

Definitions:

  1. A major city in northeastern Florida, known for its large metropolitan area, extensive waterways, cultural attractions, and significant military presence. copy to clipboard NOUN
    • Jacksonville, Florida, is known for its beautiful beaches and extensive urban park system. copy to clipboard
  2. The largest city by area in the United States, located in the northeastern region of the state of Florida, that serves as a major cultural, economic, and transportation hub in the region. copy to clipboard NOUN
    • Jacksonville's historic neighborhoods offer a glimpse into the city's rich cultural heritage and architectural history. copy to clipboard