auxiliary Definition

auxiliary
adj

1. Helping or supporting.

Example: auxiliary nurse
Thesaurus: assisting, supportive, helping, supplementary, aiding, accessory, subsidiary, secondary, substitute, backup.
2. Additional or extra.

noun auxiliaries

1. A helper.

Example: nursing auxiliary
Thesaurus: assistant, helper, supporter, partner, confederate, associate, ally, accessory, reserve.
2. Foreign troops that help and support another nation that is engaged in a war.

Form: auxiliaries
3. grammar.
An auxiliary verb.

Etymology: 17c: from Latin auxiliarius, from auxilium help.