Ad·junct, n.
 1. Something joined or added to another thing, but not essentially a part of it.
    Learning is but an adjunct to our self.   --Shak.
 2. A person joined to another in some duty or service; a colleague; an associate.
 3. Gram. A word or words added to quality or amplify the force of other words; as, the History of the American Revolution, where the words in italics are the adjunct or adjuncts of “History.”
 4. Metaph. A quality or property of the body or the mind, whether natural or acquired; as, color, in the body, judgment in the mind.
 5. Mus. A key or scale closely related to another as principal; a relative or attendant key. [R.] See Attendant keys, under Attendant, a.

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 At·tend·ant a.
 1. Being present, or in the train; accompanying; in waiting.
    From the attendant flotilla rang notes triumph.   --Sir W. Scott.
    Cherub and Seraph . . . attendant on their Lord.   --Milton.
 2. Accompanying, connected with, or immediately following, as consequential; consequent; as, intemperance with all its attendant evils.
    The natural melancholy attendant upon his situation added to the gloom of the owner of the mansion.   --Sir W. Scott.
 3. Law Depending on, or owing duty or service to; as, the widow attendant to the heir.
 Attendant keys Mus., the keys or scales most nearly related to, or having most in common with, the principal key; those, namely, of its fifth above, or dominant, its fifth below (fourth above), or subdominant, and its relative minor or major.