office-block ballot \ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷-\noun oroffice-group ballot\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷-\ : an Australian ballot on which the names of candidates with or without party labels are grouped under the titles of the offices to be filled — compare indiana ballot, massachusetts ballot