|auxiliary (ɔːɡˈzɪljərɪ, -ˈzɪlə-)|
|1.||secondary or supplementary|
|3.||nautical (of a sailing vessel) having an engine: an auxiliary sloop|
|—n , -ries|
|4.||a person or thing that supports or supplements; subordinate or assistant|
|a. a sailing vessel with an engine|
|b. the engine of such a vessel|
|6.||navy a vessel such as a tug, hospital ship, etc, not used for combat|
|[C17: from Latin auxiliārius bringing aid, from auxilium help, from augēre to increase, enlarge, strengthen]|
auxiliary aux·il·ia·ry (ôg-zĭl'yə-rē, -zĭl'ə-rē)
Functioning in an augmenting capacity; supplementary.
Functioning as a subordinate; secondary.