A pronoun that introduces a relative clause and has reference to an antecedent, as who in the child who is wearing a hat or that in the house that you live in.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "relative pronoun" in a sentence
"Al – Mausúl = the conjoined, a grammatical term for relative pronoun or particle."