liver

noun (1)
liv·er | \ˈli-vər \

Definition of liver 

(Entry 1 of 2)

1a : a large very vascular glandular organ of vertebrates that secretes bile and causes important changes in many of the substances contained in the blood (as by converting sugars into glycogen which it stores up until required and by forming urea)

b : any of various large compound glands associated with the digestive tract of invertebrate animals and prob. concerned with the secretion of digestive enzymes

2 archaic : a determinant of the quality or temper of a man

3 : the liver of an animal (such as a calf or chicken) eaten as food

4 : a grayish reddish brown

called also liver brown, liver maroon

liver

noun (2)
liv·er | \ˈli-vər \

Definition of liver (Entry 2 of 2)

1 : one that lives especially in a specified way a fast liver

2 : resident

First Known Use of liver

Noun (1)

before the 12th century, in the meaning defined at sense 1a

Noun (2)

14th century, in the meaning defined at sense 1

History and Etymology for liver

Noun (1)

Middle English, from Old English lifer; akin to Old High German lebra liver

Keep scrolling for more

Learn More about liver

Statistics for liver

Look-up Popularity

Time Traveler for liver

The first known use of liver was before the 12th century

See more words from the same century

Keep scrolling for more

More Definitions for liver

liver

noun
liv·er | \ˈli-vər \

Kids Definition of liver

: a large gland in the body that has a rich blood supply, secretes bile, and helps in storing some nutrients and in forming some body wastes

liver

noun
liv·er | \ˈliv-ər \

Medical Definition of liver 

1a : a large very vascular glandular organ of vertebrates that secretes bile and causes important changes in many of the substances contained in the blood which passes through it (as by converting sugars into glycogen which it stores up until required and by forming urea), that in humans is the largest gland in the body, weighs from 40 to 60 ounces (1100 to 1700 grams), is a dark red color, and occupies the upper right portion of the abdominal cavity immediately below the diaphragm, that is divided by fissures into five lobes, and that receives blood both from the hepatic artery and the portal vein and returns it to the systemic circulation by the hepatic veins

b : any of various large compound glands associated with the digestive tract of invertebrate animals and probably concerned with the secretion of digestive enzymes

2 : the liver of an animal (as a calf or pig) eaten as food or used as a source of pharmaceutical products (as liver extract)

3 : disease or disorder of the liver : biliousness

Keep scrolling for more

Comments on liver

What made you want to look up liver? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

not any or not one

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble-tiles-that-read-scrabble-quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!