Spleen meaning

splēn
The spleen is an organ near the stomach that has various roles in purifying and storing the blood, or a bad temper.

An example of the spleen is an organ that is the largest lymph organ in the body.

An example of spleen is to have a lot of anger; to vent your spleen.

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Ill temper.

Vent one's spleen.

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(archaic) Melancholy.
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(obsolete) A whim; a caprice.
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A large, vascular, lymphatic organ in the upper left part of the abdominal cavity of vertebrates, near the stomach: it has various functions in modifying the structure of the blood, and was formerly regarded as the seat of certain emotions.
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A large, highly vascular lymphoid organ, located in the human body to the left of the stomach below the diaphragm, that serves as a reservoir for blood, destroys old red blood cells, and contains lymphocytes that combat blood-borne antigens.
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A homologous organ or tissue in other vertebrates.
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An organ in vertebrate animals that in humans is located on the left side of the abdomen near the stomach. The spleen is mainly composed of lymph nodes and blood vessels. It filters the blood, stores red blood cells (erythrocytes) and destroys old ones, and produces white blood cells (lymphocytes).
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(anatomy, immunology) In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes.
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(archaic, except in the set phrase "to vent one's spleen") A bad mood; spitefulness.
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Wordsworth.

There is a luxury in self-dispraise: / And inward self-disparagement affords / To meditative spleen a grateful feast.

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A fit of immoderate laughter or merriment.
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(obsolete) To dislike.

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Origin of spleen

  • Middle English splen from Old French esplen from Latin splēn from Greek

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French esplen, from Latin splÄ“n, from Ancient Greek σπλήν (splÄ“n, “the spleen").

    From Wiktionary