Relation is a word that can describe a connection — between relatives or any two entities. You might consider your cousin as your relation, and you might have strained relations with him over your grandmother's estate.
Definition of relation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Relations between people, groups, or countries are contacts between them and the way in which they behave towards each other. Greece has established full diplomatic relations with Israel. Relations between the two men became strained. The company has a track record of good employee relations.
the various connections between peoples, countries, etc.: foreign relations. the various connections in which persons are brought together: business and social relations.