What does the word argument mean?

Usage examples for argument

  1. Guess ther' ain't no argument. – The Son of his Father by Ridgwell Cullum
  2. Richard was silent; the lawyer's argument struck him with its full force. – Bred in the Bone by James Payn
  3. The little captain was entirely alone on one side of the argument. – Madge Morton's Victory by Amy D.V. Chalmers