|(US) a resolution passed by both houses of a bicameral legislature, signed by the chief executive and legally binding|
|a chattering or flighty, light-headed person.|
|an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.|
A measure approved by both houses of the United States Congress and signed by the president. Similar to an act of Congress, the joint resolution is used to approve or initiate foreign policy actions, to grant a single appropriations proposal, and to propose amendments to the Constitution.