Constitution of the United States, United States Constitution - the constitution written at the Constitutional Convention in Philadelphia in 1787 and subsequently ratified by the original thirteen states

amendment - a statement that is added to or revises or improves a proposal or document (a bill or constitution etc.)

jurisprudence, law - the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"