(1):
(n.) An assembly; a gathering formed by a voluntary or spontaneous moving and meeting in one place.
(2):
(n.) A moving, flowing, or running together; confluence.
(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; cooperation.