Dictionary.net

the power or right to prohibit or reject a proposed or intended act esp the power of a chief executive to reject a bill passed by the legislature

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)

An authoritative prohibition or negative; a forbidding; an interdiction.

A power or right possessed by one department of government to forbid or prohibit the carrying out of projects attempted by another department; especially, in a constitutional government, a power vested in the chief executive to prevent the enactment of measures passed by the legislature. Such a power may be absolute, as in the case of the Tribunes of the People in ancient Rome, or limited, as in the case of the President of the United States. Called also the veto power.

To prohibit; to negative; also, to refuse assent to, as a legislative bill, and thus prevent its enactment; as, to veto an appropriation bill.

A document or message communicating the reasons of the executive for not officially approving a proposed law; - called also veto message.

An authoritative prohibition or negative; a forbidding; an interdiction.

A power or right possessed by one department of government to forbid or prohibit the carrying out of projects attempted by another department; especially, in a constitutional government, a power vested in the chief executive to prevent the enactment of measures passed by the legislature. Such a power may be absolute, as in the case of the Tribunes of the People in ancient Rome, or limited, as in the case of the President of the United States. Called also the veto power.

To prohibit; to negative; also, to refuse assent to, as a legislative bill, and thus prevent its enactment; as, to veto an appropriation bill.

A document or message communicating the reasons of the executive for not officially approving a proposed law; - called also veto message.

The right to stop or prevent the enactment of a measure as law; a prohibition by one in authority; the refusal of a chief executive to agree to a legislative enactment.

Any authoritative prohibition: the power of rejecting or forbidding: the power exercised by the President and by the Governors of most of the States to prevent a measure from becoming a law, unless a two-thirds majority is in favor of such measure.

To reject by a veto: to withhold assent to.

A prohibition; power of forbidding or refusing assent to.

To forbid; withhold assent from.

To check by a veto.

The refusal of an executive officer to approve a legislative enactment.

Any authoritative prohibition.

n. [Latin] Any authoritative prohibition; especially, the power possessed by the executive branch of a legislative body, as a king, president, governor, to negative a bill which has passed the other branohes of the legislature; also, the act of exercising this power.