Definitions of veto:

  • noun:   a vote that blocks a decision
  • noun:   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)
  • verb:   vote against; refuse to endorse; refuse to assent
    Example: "The President vetoed the bill"
  • verb:   command against
    Example: "Mother vetoed the trip to the chocolate store"
  • name:  A surname (very rare: popularity rank in the U.S.: #66764)