veto
verb(ve-to)
command against
Examples:
Mother vetoed the trip to the chocolate store.
veto
verb(ve-to)
vote against; refuse to endorse; refuse to assent
Examples:
The President vetoed the bill.
veto
noun(ve-to)
a vote that blocks a decision
veto
noun(ve-to)
the power or right to prohibit or reject a proposed or intended act (especially the power of a chief executive to reject a bill passed by the legislature)