having the supreme legislative power resting with a body of cabinet ministers chosen from and responsible to the legislature or parliament; "parliamentary government"
in accord with rules and customs of a legislative or deliberative assembly; "parliamentary law"
relating to or having the nature of a parliament; "parliamentary reform"; "a parliamentary body"
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)
vote against; refuse to endorse; refuse to assent; "The President vetoed the bill"