The Collaborative International Dictionary
Australian ballot
Australian ballot \Aus*tra"li*an bal"lot\ (Law) A system of balloting or voting in public elections, originally used in South Australia, in which there is such an arrangement for polling votes that secrecy is compulsorily maintained, and the ballot used is an official ballot printed and distributed by the government.
Wiktionary
australian ballot
n. The secret ballot system of voting in which voting is done in private on a state-issued ballot and ballots incorrectly marked set aside as invalid.
Usage examples of "australian ballot".
The executive council shall elect one of its members as council president, using an Australian ballot system.