A box where voters deposit their ballots WordNet 3.0 & Open English WordNet

A ballot box is a temporarily sealed container, usually a square box though sometimes a tamper resistant bag, with a narrow slot in the top sufficient to accept a ballot paper in an election but which prevents anyone from accessing the votes cast until the close of the voting period. Wikipedia

Sealed container for completed ballots, which prevents access to the ballots cast until the close of the voting period Wikidata

A box where voters deposit their ballots. OmegaWiki

A sealed box with a slit, into which a voter puts a completed voting slip. Wiktionary

A sealed box into which a voter puts a voting slip. Wiktionary (translation)