a system of voting designed to permit the voter to indicate an order of preference for the candidates on the ballot.
Origin of preferential voting
First recorded in 1865–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a system of voting in which the electors signify their choices, as of candidates, in order of preference
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012