Dictionary.com ~

1. a connection, association, or involvement.

2. connection between persons by blood or marriage.

3. an emotional or other connection between people
4. a sexual involvement; affair.
Urban dictionary~
~ the thing that guys can fake as well as girls can fake orgasms.
~ A clever bending of the words “wild sex”
~ A form of manipulation or control 
~ A bond between two people; One person works to create/maintain love and fulfillment while the other person waits for something better to come along.
Now, having done this very extensive research, we have learned that the problem does not stem from the fact that men and women are built differently, it’s just that we have been looking at different dictionaries.