veto
noun | \ ˈvē-tō \ | ve·to
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: an authoritative prohibition
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a : a power vested in a chief executive to prevent permanently or temporarily the enactment of measures passed by a legislature
b : the exercise of such authority — see also pocket veto — compare legislative veto
veto
transitive verb
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: to refuse to admit or approve; specifically : to refuse assent to (a legislative bill) so as to prevent enactment or cause reconsideration — see also override : to refuse assent to (a legislative bill) so as to prevent enactment or cause reconsideration — see also override