What is the meaning of the word "wabash"?

Definitions:

  1. A city in the state of Indiana, United States, known for being named after the Wabash River. copy to clipboard NOUN
    • The most fertile part of the state is the Wabash valley; the least fertile the sandy region, of small extent, immediately south of Lake Michigan. copy to clipboard
  2. A river flowing from W Ohio through Indiana, along part of the boundary between Indiana and Illinois, into the Ohio River. copy to clipboard NOUN
    • The larger streams flow in a general south-westerly direction, and the greater part of the state is drained into the Ohio through the Wabash river and its tributaries. copy to clipboard