Word Of The Day

auxiliary

auxiliary • \awg-ZILL-yuh-ree\  • adjective
1 a : offering or providing help

b : functioning in a subsidiary capacity

2 of a verb : accompanying another verb and typically expressing person, number, mood, or tense

3 a : supplementary

b : constituting a reserve

4 of a boat : equipped with sails and a supplementary inboard engine

Examples:
Word Of The Day from: Merriam-Webster