Incident  —n. 1 occurrence, esp. A minor one. 2 public disturbance (the march took place without incident). 3 clash of armed forces (frontier incident). 4 distinct piece of action in a play, film, etc. —adj. 1 (often foll. By to) apt to occur; naturally attaching. 2 (often foll. By on, upon) (of light etc.) Falling. [latin cado fall]