noun.
A compact or covenant between persons for the maintenance of joint interests or mutual service; hence, union; close affinity; friendship.
noun.
Specifically A political or military confederation; a covenanted alliance or coalition, as of persons or parties in a state, or more commonly of the ruling powers of different states, for the promotion of common objects or interests; a compact for mutual aid and support in public policy or war: as, the Hanseatic League; the Holy League in France; the league of Schmalkald.
noun.
A combination of different associations or bodies of persons for the promotion of common purposes: as, a base-ball league.
noun.
Synonyms Confederacy, Coalition, etc. (see alliance), society, federation, association, fraternity.
To form a league; join in friendship or interest; combine for mutual support; confederate.
To combine; band; confederate.
noun.
An itinerary unit not now in English use, except as a marine league. (See below.)