Wordnet 3.0
NOUN (2)
1.
the subordination that occurs when a conjunction makes one linguistic unit a constituent of another;
2.
a conjunction (like `since' or `that' or `who') that introduces a dependent clause;
[syn: subordinating conjunction, subordinate conjunction]
WordNet (r) 3.0 (2006):
subordinating conjunction
n 1: the subordination that occurs when a conjunction makes one
linguistic unit a constituent of another
2: a conjunction (like `since' or `that' or `who') that
introduces a dependent clause [syn: subordinating
conjunction, subordinate conjunction]