adjective
- Furnishing added support.
- usage: "an ancillary pump"; "an adjuvant discipline to forms of mysticism"; "The mind and emotions are auxiliary to each other"
- synonyms: accessory, adjunct, adjuvant, appurtenant, auxiliary
Subplot and Ancillary
WordNet 3.0 © 2006 by Princeton University
Webster's Revised Unabridged Dictionary
Relates to something extra or of lesser importance. For example,' ANCILLARY' revenue would be revenue derived from the provisioning of products or services that are not considered to be primary to the generation of revenue.