1. A craving or urgent need for food or a specific nutrient.
  2. An uneasy sensation occasioned by the lack of food.
  3. A weakened condition brought about by prolonged lack of food.
  4. A strong desire.
  5. (verb) To feel or suffer hunger.
  6. (verb) To have an eager desire.

The emotion of Hunger is found in the Stomach meridian in the Earth element.

Definition from Dictionary by Merriam-Webster.