concourse

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A large open space for the gathering or passage of crowds, as in an airport.
2. n. A broad thoroughfare.
3. n. A great crowd; a throng.
4. n. The act of coming, moving, or flowing together.

Century Dictionary and Cyclopedia

1. n. A moving, running, or flowing together; a commingling; concurrence; confluence; coincidence.
2. n. A meeting or coming together of people; an assembly; a throng; a crowd.
3. n. An assemblage of things; an agglomeration; a gathering; a cluster.
4. n. The place or point of meeting; a point of contact or junction of two or more bodies.
5. n. Hence A place for the gathering or resort of carriages with their occupants, as at a good point of view or of accommodation in a park or other public place.
6. n. Concurrence; aid; coöperation.
7. n. In Scots law, concurrence by a person having legal qualification to grant it. Thus, to every libel in the Court of Justiciary the lord advocate's concourse or concurrence is necessary.

Wiktionary

1. n. A large open space in a building where people can gather.
2. n. A large group of people; a crowd.
3. n. The running or flowing together of things; the meeting of things; confluence.

GNU Webster's 1913

1. n. A moving, flowing, or running together; confluence.
2. n. An assembly; a gathering formed by a voluntary or spontaneous moving and meeting in one place.
3. n. The place or point of meeting or junction of two bodies.
4. n. An open space where several roads or paths meet; esp. an open space in a park where several roads meet.
5. n. Concurrence; coöperation.

WordNet 3.0

1. n. a wide hallway in a building where people can walk
2. n. a large gathering of people
3. n. a coming together of people