Incident
WordNet
adjective
(1) (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"
(2) Falling or striking of light rays on something
"Incident light"
noun
(3) A single distinct event
(4) A public disturbance
"The police investigated an incident at the bus station"
WiktionaryText
Etymology
Recorded since 1412, from incidens, the past participle of incidere "to happen, befall", itself from in- "on" + -cidere (the combinatory form of cadere "to fall").
Noun
- An event or occurrence
- A relatively minor event that is incidental to, or related to others
- An event that may cause or causes an interruption or a crisis