Spleen (noun)

1. A large, spongy organ located in the upper left side of the abdomen, near the stomach and the diaphragm, that is part of the immune system and helps to filter and remove old or damaged red blood cells.
2. An intense feeling of anger, irritation, or disappointment.

Origin:

From the old french word "esplen" which comes from the latin word "splen" meaning "spleen".

Examples:

1. The spleen is an important organ that helps to filter and remove old or damaged red blood cells.
2. The patient was diagnosed with a spleen injury after the car accident.
3. She vented her spleen on her colleagues after the meeting.
4. His spleen was palpable and it suggested an enlargement of the organ.
5. The manager had to deal with the spleen of the employees who were not happy with the new policy.