Incident /(?)/

In·ci·dent

Incident

a.
  1. Falling or striking upon, as a ray of light upon a reflecting surface.
  2. Coming or happening accidentally; not in the usual course of things; not in connection with the main design; not according to expectation; casual; fortuitous.
    As the ordinary course of common affairs is disposed of by general laws, so likewise men's rarer incident necessities and utilities should be with special equity considered.
  3. Liable to happen; apt to occur; befalling; hence, naturally happening or appertaining.
    All chances incident to man's frail life.
    The studies incident to his profession.
    — Milward.
  4. Dependent upon, or appertaining to, another thing, called the principal. (Law)

Phrases & Compounds
Incident proposition
a proposition subordinate to another, and introduced by who, which, whose, whom, etc.; as, Julius, whose surname was Cæsar, overcame Pompey.

Incident

n.
  1. That which falls out or takes place; an event; casualty; occurrence.
  2. That which happens aside from the main design; an accidental or subordinate action or event.
    No person, no incident, in a play but must be of use to carry on the main design.
  3. Something appertaining to, passing with, or depending on, another, called the principal. (Law)