adjunct (
http://definr.com/adjunct)
adj 1: relating to something that is added but is not essential;
"an ancillary pump"; "an adjuvant discipline to forms
of mysticism"; "The mind and emotions are auxilliary
to each other" [syn:
accessory,
ancillary,
adjuvant,
appurtenant,
auxiliary,
subsidiary]
2: of or relating to a person who is subordinate to another
[syn:
assistant]
n 1: something added to another thing but not an essential part
of it
2: a person who is an assistant or subordinate to another