spleen

The spleen is an organ that's about the size of a fist, located on the left side, just below the ribcage. Don't let its small size fool you. This little organ is very important in helping the body fight infection.

The spleen is responsible for removing old red blood cells and producing and storing a reserve of blood in case the body needs it. It's a little organ, measuring little more than four inches in length. The term "vent your spleen" is one you might see used. It means to vent your anger, as spleen is another word for bad temper or spite.

PRIMARY MEANINGS OF: spleen

1
n
a large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses
2
n
a feeling of resentful anger
FULL DEFINITIONS OF: spleen
1

n a large dark-red oval organ on the left side of the body between the stomach and the diaphragm; produces cells involved in immune responses

Synonyms:
lien
Type of:
lymphatic tissue, lymphoid tissue
tissue making up the lymphatic system
2

n a feeling of resentful anger

Synonyms:
irascibility, quick temper, short temper
Type of:
bad temper, ill temper
a persisting angry mood
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