relation

Sense 1 noun

an abstraction belonging to or characteristic of two entities or parts together

Sense 2 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

Sense 3 noun

a person related by blood or marriage

police are searching for relatives of the deceased

Sense 4 noun

an act of narration

he was the hero according to his own relation

Sense 5 noun

(law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time

his attorney argued for the relation back of the amended complaint to the time the initial complaint was filed

Sense 6 noun

(usually plural) mutual dealings or connections among persons or groups

international relations