ancillary

/ˈænsəˌleɹiː/
/ˈænsəˌleɹiː/
/ˈænsəˌleɹiː/

noun

  1. Something that serves an ancillary function, such as an easel for a painter.

  2. An auxiliary.

adjective

  1. Subordinate; secondary; auxiliary

Synonyms: accessory