ADJ
secret | open | postal | national | first, second | leadership | strike
VERB + BALLOT
carry out, hold | organize
cast
Thousands of people came to the polling station to cast their ballots in the election.
BALLOT + NOUN
box | paper | rigging
PREP
at a/the ~
The union members made their decision at the ballot, choosing to accept the new contract offer.
by ~
The election was decided by ballot after the candidates requested a formal vote.
in a/the ~
The workers voted in a ballot to accept the new contract offer.
on a/the ~
The new chairman was elected on the ballot after three rounds of voting.
~ for
The students held a ballot for class president yesterday afternoon.
~ on
The company held a ballot on whether to extend the working hours next year.
~ over
The union held a ballot over whether to accept the new contract offer.