the place where such an assembly met, originally a marketplace or public square.
3.
the Agora, the chief marketplace of Athens, center of the city's civic life.
Origin: 1590–1600; < Gk agor marketplace, equiv. to agor- (var. s. of ageírein to gather together < a pre-Hellenic IE substratum language, equiv. to a(d)- ad-+ *ǵher- grasp, c. Skt har- seize, fetch) + -ā n. ending