Possible Definitions:
1. Clash (v. i.) To make a noise by striking against something; to dash noisily together.
2. Clash (v. i.) To meet in opposition; to act in a contrary direction; to come onto collision; to interfere.
3. Clash (v. t.) To strike noisily against or together.
4. Clash (n.) A loud noise resulting from collision; a noisy collision of bodies; a collision.
5. Clash (n.) Opposition; contradiction; as between differing or contending interests, views, purposes, etc.