- subordinating conjunction - the subordination that occurs when a conjunction makes one linguistic unit a constituent of another
--1 is a kind of conjunction
- subordinating conjunction, subordinate conjunction - a conjunction (like `since' or `that' or `who') that introduces a dependent clause
--2 is a kind of conjunction, conjunctive, connective
- subordinating conjunction, subordinate conjunction - a conjunction (like `since' or `that' or `who') that introduces a dependent clause