From the Aesop's fable The Lion's Share, in which a lion claims the full amount of the spoil after hunting with a number of other beasts. In one version of the fable, the lion claims three-quarters of the kill rather than the whole, leaving the three other animals to fight over the remaining quarter, making "about three-quarters" the technical definition according to that version.
- (idiomatic) The majority; a large or generous portion.
- They got a large donation, but the lion's share of the money went straight into paying off debt.
2011 February 12, Les Roopanarine, “Birmingham 1 - 0 Stoke”, in BBC:
- Yet it could have been so different for Tony Pulis's side, who weathered a good start by the hosts to create the lion's share of what few first-half chances came along.