/ ˈlɪvə(r); NAmE / noun
1.
[ C ] a large organ in the body that cleans the blood and produces bile
—picture at organ
2.
[ U , C ] the liver of some animals that is cooked and eaten :
liver and onions
chicken livers
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WORD ORIGIN
Old English lifer , of Germanic origin; related to German Leber , Dutch lever .