Verb
(transitive) To reduce to zero.
(transitive) To cut off funding for (a project).
(computing, transitive) To fill with zeros, replacing any previous contents.
to zero out an array
(telecommunications, intransitive) To press or dial 0 in order to escape a voicemail recording facility and speak to an operator.
Source: en.wiktionary.orgI'd like to give zero out capital gains tax and zero out the dividends tax, zero out alternative minimum tax, and zero out the death tax. Michele Bachmann