#1 veto n. a vote that blocks a decision. wn
#2 veto v. [blackball, negative] vote against; refuse to endorse; refuse to assent; "The President vetoed the bill". wn
#3 veto v. [forbid, prohibit, interdict, proscribe, disallow, nix] command against; "I forbid you to call me late at night"; "Mother vetoed the trip to the chocolate store"; "Dad nixed our plans". wn
#4 veto n. 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). wn
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