What is the meaning of the word "gainsborough"?

Definitions:

  1. A market town on the River Trent in Lincolnshire, England, known for its rich history, including its role as an inland port during the medieval period. copy to clipboard NOUN
    • Gainsborough, Lincolnshire, boasts a rich history and beautiful architecture. copy to clipboard
  2. Refers to Thomas Gainsborough, an English portrait and landscape painter of the 18th century, one of the most prominent artists of the British Rococo period, known for his elegant portraits of the aristocracy and his idyllic landscapes. copy to clipboard NOUN
    • Thomas Gainsborough's "The Blue Boy" is one of the most iconic works of 18th-century art. copy to clipboard