subordinator
su·bor·di·nator
adjective
1.
used of words such as relative pronouns and subordinating conjunctions that serve to subordinate sentence constituents
- “that”
- “the house that we bought”
Origin
From subordinate + -or.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.