1. Strong affection for another arising out of kinship or personal ties.
  2. Attraction based on sexual desire.
  3. Affection based on admiration, benevolence, or common interests.
  4. Unselfish loyal and benevolent concern for the good of another.
  5. (verb) To hold dear. To like or desire actively.

The emotion of Love is found in the Heart meridian in the Fire element.

Definition from Dictionary by Merriam-Webster.