Definition of "casting vote" [casting vote]

• The vote of a presiding officer in an assembly or council, given to break a tie. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Ulpian, and Modestinus, were established as the oracles of jurisprudence: a majority was decisive: but if their opinions were equally divided, a casting vote was ascribed to the superior wisdom of Papinian."
• "From Hawkins, whom his casting vote made Provost of Oriel, he gained the Catholic doctrines of tradition and baptismal regeneration, as well as a certain precision of terms which, long afterwards, gave rise to"