English to English
1. falling or striking of light rays on something
2. (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
incidental expenses|the road will bring other incidental advantages|extra duties incidental to the job|labor problems incidental to a rapid expansion|confusion incidental to a quick change
3. Falling or striking upon, as a ray of light upon a reflecting surface.
4. a single distinct event
5. a public disturbance
the police investigated an incident at the bus station
6. That which falls out or takes place; an event; casualty; occurrence.