incident

Concise Oxford English Dictionary © 2008 Oxford University Press:
incident/ˈɪnsɪdənt/

▶noun

• 1 an event or occurrence; an instance of something happening.

  ■ a violent event, such as an assault or skirmish.

• 2 Law a privilege, burden, or right attaching to an office, estate, or other holding.

▶adjective

• 1 (incident to) liable to happen because of; resulting from.

  ■ Law attaching to.

• 2 (especially of light or other radiation) falling on or striking something.

  ■ relating to incidence.

– origin ME: via OFr. from L. incident-, incidere ‘to fall upon, happen to’.