| Grammar. a conjunction that connects two grammatical elements of identical construction, as and in Sue and Andrea or or in He can't decide if he should stay or go. |
| co·or·di·nat·ing conjunction (kō-ôr'dn-ā'tĭng) n. A conjunction that connects two identically constructed or syntactically equal grammatical elements, such as or in They don't know whether they're coming or going. |