衝
しょ
う
Meanings
1
important point; key location
Used for a strategically important point, especially on a route or in a plan.
This intersection is a key point for traffic.
2
important role; key responsibility
Refers to a crucial role or responsibility someone holds.
He plays a key role in the project.
3
Technical term in astronomy for when two celestial bodies are on opposite sides of the sky.
See also: 合 (ごう)
Mars is at opposition.