Relation | Mean of relation in English Dictionary

/rɪˈleɪʃən/

• Noun
• the way in which two or more people, groups, countries, etc., talk to, behave toward, and deal with each other
1. The incident led to tense international relations.
• the way in which two or more people or things are connected
1. the relations [=(more commonly) relationships] between weather events and erosion
2. This movie bears no relation to the book by the same title. [=it is not connected to the book at all; the movie and the book do not tell the same story, have the same characters, etc.]
• a person who is a member of your family
1. We threw a big party for all our friends and relations. [=relatives]
2. Is he a relation of yours? [=are you related to him?]
3. I'm Jill Jones, and this is Mike Jones—no relation. [=we have the same last name but we are not related; we are not members of the same family]

• about (something or someone)
1. I have several comments to make in relation to [=in/with reference to, regarding] the subject at hand.