Definitions
1.nounThe state of being allied."matrimonial alliances; an alliance between church and state, or between two countries"
2.nounThe act of allying or uniting.
3.nounA union or connection of interests between families, states, parties, etc., especially between families by marriage and states by compact, treaty, or league.
4.nounAny union resembling that of families or states; union by relationship in qualities; affinity.
5.noun(with the definite article) The persons or parties allied.