(historical, theater) A collection of venues throughout the eastern, southern, and upper Midwest areas of the United States where African-American performers were accepted despite racial segregation.

(rail transport) The provision of track circuits.

(LGBT) A gay man who frequents circuit parties.

plural of circuit queen

Alternative spelling of short circuit

Alternative spelling of circuit breaker

Alternative form of nanocircuit

One of the six regions into which most of England was divided for the purposes of collating the Great Domesday Book, each of which were assigned commissioners for the purposes of conducting the Domesday survey.

plural of Domesday circuit

(semiconductors) A thin chip, usually of silicon, consisting of at least two interconnected semiconductor devices, mainly transistors.