noun: an abstraction belonging to or characteristic of two entities or parts together
noun: (usually plural) mutual dealings or connections among persons or groups
Example: "International relations"
noun: an act of narration
Example: "He was the hero according to his own relation"
noun: the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur
noun: (law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time
Example: "His attorney argued for the relation back of the ammended complaint to the time the initial complaint was filed"
noun: a person related by blood or marriage
Example: "He has distant relations back in New Jersey"