In·ci·dent 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.   --Hooker.
 3. Liable to happen; apt to occur; befalling; hence, naturally happening or appertaining.
    All chances incident to man's frail life.   --Milton.
    The studies incident to his profession.   --Milward.
 4. Law Dependent upon, or appertaining to, another thing, called the principal.
 Incident proposition Logic, a proposition subordinate to another, and introduced by who, which, whose, whom, etc.; as, Julius, whose surname was Cæsar, overcame Pompey.