|1.||[ noun ] something added to another thing but not an essential part of it|
|2.||[ adjective ] relating to something that is added but is not essential|
|Synonyms:||ancillary adjuvant appurtenant auxiliary subsidiary accessory|
"an ancillary pump" "an adjuvant discipline to forms of mysticism" "The mind and emotions are auxilliary to each other"
|3.||[ adjective ] of or relating to a person who is subordinate to another|
|4.||[ noun ] (grammar,linguistics) a construction that is part of a sentence but not essential to its meaning and can be omitted without making the sentence ungrammatical|
|Related terms:||construction parenthetical|
|5.||[ noun ] a person who is an assistant or subordinate to another|