term:

Our Federalism

our federalism n

[from the language of a U.S. Supreme Court ruling in Younger v. Harris, 401 U.S. 37 (1971), which proclaimed that “Our Federalism” represents “a system in which there is sensitivity to the legitimate interests of both State and National Government … ”]
: a doctrine in federal jurisprudence that limits federal interference in state civil and esp. criminal proceedings out of respect for the interests and policies of the states

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.