lion's share

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1. A large carnivorous feline mammal (Panthera leo) of Africa and northwest India, having a short tawny coat, a tufted tail, and, in the male, a heavy mane around the neck and shoulders.
2. A mountain lion.
a. A very brave person.
b. A person regarded as fierce or savage.
c. A noted person; a celebrity: a literary lion.
4. Lion See Leo.
lion's share
The greatest or best part.

[Middle English, from Old French, from Latin leō, leōn-, from Greek leōn, of Semitic origin; see lbʔ in Semitic roots.]
Word History: Old French lion is the source of English lion, and the Old French word comes from Latin leō, leōnis. The Latin word is related somehow to Greek leōn, leontos (earlier *lewōn, *lewontos), which appears in the name of the Spartan king Leonidas, "Lion's son," who perished at Thermopylae. The Greek word is somehow related to Coptic labai, laboi, "lioness." In turn, Coptic labai is borrowed from a Semitic source related to Hebrew lābī' and Akkadian labbu. There is also a native ancient Egyptian word, rw (where r can stand for either r or l and vowels were not indicated), which is surely related as well. Since lions were native to Africa, Asia, and Europe in ancient times (Aristotle tells us there were lions in Macedon in his day), we have no way of ascertaining who borrowed which word from whom.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

li′on's share`

the largest part or share, esp. an unreasonably large portion.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
He wanted to give him the lion's share of the beefsteak, but Philip insisted that they should share alike.
This man was much impressed with Ajax with the result that he agreed to train him for a lion's share of the profits of exhibiting him, and in the meantime to provide for the keep of both the ape and his owner.
Maria could stand it no longer, and hurried away to the stove, where she filled a quart-bowl with soup, putting into it the lion's share of chopped meat and vegetables which her ladle scraped from the bottom of the pot.
Late as the afternoon was, trade was brisk, and Bashti, who had taken the lion's share of the wages due to the fathers of two boys who had died, bought liberally of the Arangi's stock.
The result was that Clayton himself had to get the tin, and then another angry altercation ensued when one of the sailors accused Clayton and Monsieur Thuran of conspiring to control the provisions so that they could have the lion's share.
Little as it was, the lion's share was left with Daylight and Elijah.
'Not one,' repeated Gashford again--taking the lion's share of the mulled wine between whiles.
A canting, lie-loving, fact-hating, scribbling, chattering, wealth-hunting, pleasure-hunting, celebrity-hunting mob, that, having lost the fear of hell, and not replaced it by the love of justice, cares for nothing but the lion's share of the wealth wrung by threat of starvation from the hands of the classes that create it.
The bodily exercises, in that case, will be uppermost in the youth's thoughts, will have the strongest hold on his interest, will take the lion's share of his time, and will, by those means--barring the few purely exceptional instances--slowly and surely end in leaving him, to all good moral and mental purpose, certainly an uncultivated, and, possibly, a dangerous man."
Craig-Hallum analyst Richard Shannon raised his price target for Iphi to $62 from $53 as his latest checks indicate the company's PAM4 devices for 100/200/400G are "gaining the lion's share of designs." The analyst believes this success will have most of its impact in 2020 and beyond, with minimal benefit to this year, and notes that his higher 2020 estimates make up for about 2/3 of the lost Huawei sales he removed from estimates in May.
figure By KITAVI MUTUA Companies that use animals to market their brands will now be required by United Nations Development Programme to raise funds for wildlife conservation.In the new initiative dubbed Lion's Share, the corporate world in all UN member states will be expected to make voluntary contributions every time an animal appears in their adverts.
The former prime minister, Haider al-Abadi, said "Saairun" and "Al-Fatah" alliance led by Hadi al-Amiri took the lion's share in the government of Adel Abdul-Mahdi, pointing out that some government ministers were nominated from outside the border.