This is the 4405th most frequent Russian word.
вето
Veto: The right to reject or prohibit a decision or proposal.
In this sentence, 'вето' is used as a noun representing the action of prohibiting a law or decision.
Президент наложил вето на законопроект.
The president vetoed the bill.
Here, 'вето' refers to the formal rejection made by the president.
Новое правило обходит президентское вето.
The new rule bypasses the presidential veto.
In this example, 'вето' is used to describe an already established prohibition towards an action.