What does the word pill mean?

Usage examples for pill

  1. He then swallowed one himself, with the same result; whereupon his elder brother, with firm faith, and undismayed by what he saw before him, swallowed a third pill. – China and the Chinese by Herbert Allen Giles
  2. I prescribed a pill with the hydrarg. – An Essay on the Application of the Lunar Caustic in the Cure of Certain Wounds and Ulcers by John Higginbottom