auxiliary
adjective /ɔːɡˈzɪliəri/
/ɔːɡˈzɪliəri/
- (of workers) giving help or support to the main group of workers synonym ancillary
- auxiliary nurses/workers/services
- (specialist) (of a piece of equipment) used if there is a problem with the main piece of equipment
- an auxiliary pump
Word Originlate Middle English: from Latin auxiliarius, from auxilium ‘help’.