auxiliary

[ awg-zil-yuh-ree, -zil-uh- ]
/ ɔgˈzɪl yə ri, -ˈzɪl ə- /

adjective

noun, plural aux·il·ia·ries.

Origin of auxiliary

1595–1605; < Latin auxiliārius assisting, aiding, helping, equivalent to auxili(um) aid, help (aux(us) increased, augmented (past participle of augēre: aug- increase + -sus, variant of -tus past participle suffix) + -ilium noun suffix) + -ārius -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for auxiliary

British Dictionary definitions for auxiliary

auxiliary

/ (ɔːɡˈzɪljərɪ, -ˈzɪlə-) /

adjective

secondary or supplementary
supporting
nautical (of a sailing vessel) having an enginean auxiliary sloop

noun plural -ries

a person or thing that supports or supplements; subordinate or assistant
nautical
  1. a sailing vessel with an engine
  2. the engine of such a vessel
navy a vessel such as a tug, hospital ship, etc, not used for combat

Word Origin for auxiliary

C17: from Latin auxiliārius bringing aid, from auxilium help, from augēre to increase, enlarge, strengthen
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for auxiliary

auxiliary

[ ôg-zĭlyə-rē, -zĭlə-rē ]

adj.

Functioning in an augmenting capacity; supplementary.
Functioning as a subordinate; secondary.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.