Answer:
The correct definition of the word <em>elixir,</em> based on the usage in this excerpt from <em>The Story of an Hour</em>, is the first one: <em>sweet medicine.</em>
Explanation:
According to this excerpt, the woman was not making herself ill -by breathing the air that came from the open window- she was "<em>drinking</em>" the elixir of life, which made her happy, and made her forget the bad things in her life. That pure, warm air was like medicine for her, a sweet, good medicine.
