Webster’s Revised Unabridged Dictionary · 1913
Collision
Col·li′sion (kŏl·lĭzh′ŭn), n. [L. collisio, fr. collidere. See Collide.] 1. The act of striking together; a striking together, as of two hard bodies; a violent meeting, as of railroad trains; a clashing.
2. A state of opposition; antagonism; interference.
The collision of contrary false principles. Bp. Warburton.
Sensitive to the most trifling collisions. W. Irving.
Syn. — Conflict; clashing; encounter; opposition.