1 a what one person or thing has to do with another. b the way in which one person stands or is related to another. c the existence or effect of a connection, correspondence, contrast, or feeling prevailing between persons or things, esp. when qualified in some way (bears no relation to the facts; enjoyed good relations for many years).
2 a relative; a kinsman or kinswoman.
3 (in pl.) a (foll. by with) dealings (with others). b sexual intercourse.
4 = RELATIONSHIP.
5 a narration (his relation of the events). b a narrative.
6 Law the laying of information.
Phrases and idioms:
in relation to as regards.
Etymology: ME f. OF relation or L relatio (as RELATE)
Useful english dictionary. 2012.