What does "adjunct" mean?

Adjunct: Something joined or added to another thing, but not essentially a part of it. Learning is but an adjunct to our self. Shak.

Additional senses

  1. 2.A person joined to another in some duty or service; a colleague; an associate. Wotton.
  2. 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."
  3. 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.
  4. 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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