casting vote

1. 1.

   the deciding vote cast by the presiding officer to resolve a tie

   Broadervote

Questions about casting vote

What does casting vote mean?

casting vote means "the deciding vote cast by the presiding officer to resolve a tie".

Is casting vote a common word?

casting vote is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.