Meaning of RELATIVE in English
[adjective] [not gradable] [formal]If something is relative to a particular subject, it is connected with it.The documents are relative to the discussion.(specialized) A relative clause is part of a sentence which cannot exist independently and which describes a noun which comes before it in the main part of the sentence.In the sentence 'The woman whom I met was wearing a brown hat', 'whom I met' is a relative clause.(specialized) A relative pronoun is a pronoun such as which, who or that which is used to begin a relative clauseIn the sentence 'The woman whom I met was wearing a brown hat', 'whom' is a relative pronoun.
Cambridge English vocab. Кембриджский английский словарь. 2012