1. a formal statement of the fundamental rights of the people of the United States, incorporated in the Constitution as Amendments 1–10, and in all state constitutions.
2. (sometimes l.c.) a similar statement of the fundamental rights of the people of any nation.
3. (sometimes l.c.) a statement of the rights belonging to or sought by any group: Our student bill of rights would include the right to dress as we please. 4. an English statute of 1689 confirming, with minor changes, the Declaration of Rights, declaring the rights and liberties of the subjects and settling the succession in William III and Mary II.