What does "underhand" mean?

Underhand: (Baseball, Cricket, etc.) Done, as pitching, with the hand lower than the shoulder, or, as bowling, with the hand lower than elbow.

Additional senses

  1. 2.By secret means; in a clandestine manner; hence, by fraud; unfairly. Such mean revenge, committed underhand. Dryden. Baillie Macwheeble provided Janet, underhand, with meal for their maintenance. Sir W. Scott.
  2. 3.(Baseball, Cricket, etc.) In an underhand manner; -- said of pitching or bowling.

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