What does the word diagonal mean?

Usage examples for diagonal

  1. We have only to get up a fair pace and run into it on a diagonal. – An American at Oxford by John Corbin
  2. If at any time Black had failed to move on to the same diagonal as White, then White could take Black's diagonal and win. – Amusements in Mathematics by Henry Ernest Dudeney
  3. The swift current rendered a diagonal course necessary, and even that could not be pushed with enough power to prevent the party drifting down stream. – The Lost Trail by Edward S. Ellis
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