1. The rights belonging to an individual by virtue of citizenship, especially the fundamental freedoms and privileges guaranteed by the 13th and 14th Amendments to the U.S. Constitution and by subsequent acts of Congress, including civil liberties, due process, equal protection of the laws, and freedom from discrimination.
2. Of or relating to such rights or privileges:
civil rights legislation.
3. Of or relating to a political movement, especially during the 1950's and 1960's, devoted to securing equal opportunity and treatment for members of minority groups.