- multitude, throng, concourse - a large gathering of people
--1 is a kind of gathering, assemblage
--1 has particulars: hive; horde, host, legion; ruck, herd - concourse - a wide hallway in a building where people can walk
--2 is a kind of hallway, hall
- concourse, confluence - a coming together of people
--3 is a kind of merging, meeting, coming together
- concourse, confluence - a coming together of people