What is the meaning of League?

A group or association of cooperating members.

An organization of sports teams which play against one another for a championship.

Ellipsis of rugby league.

A class or type of people or things that are evenly matched or on the same level.

A prefecture-level administrative unit in Inner Mongolia (Chinese: 盟).

An alliance or coalition.

To form an association; to unite in a league or confederacy; to combine for mutual support.

Playing in the The Football League or the Premier League, the top four divisions of English football

A unit of itinerary distance varying with country, in Britain commonly about three statute miles (or five kilometres). Perhaps representing an hour's walking.

1. Three nautical miles.

Three nautical miles.

A stone erected near a public road to mark the distance of a league.

Source: wiktionary.org