spleen

/splin/
noun
  1. An organ in the body that filters blood and helps fight infection.
    • The doctor checked his spleen after the car accident.
    • She felt a sharp pain in her spleen during the run.
    • A healthy spleen is important for your immune system.
  2. Bad temper or anger, especially when expressed suddenly.
    • He vented his spleen at the rude customer service.
    • The coach's spleen boiled over after the team lost the game.
    • She took out her spleen on her brother after a bad day.
What does "spleen" mean? | whatsthatwordmean | whatsthatwordmean