Définitions
1.NounThe characteristic of being reciprocal, e.g. of a relationship between people."In a friendship, reciprocity occurs where the contribution of each party meets the expectations of the other party."
2.NounA reciprocal relationship.
3.NounA relation of mutual dependence or action or influence.
4.NounA reciprocal construction involves two noun phrases where each of the participants occupies both the role of agent and patient with respect to the other. see: Wikipedia:Reciprocal pronoun.
5.NounThe mutual exchange of rights, privileges or obligations between nations. see: Wikipedia:Reciprocity (international relations).
6.NounThe responses of individuals to the actions of others.