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What does "Auxiliary" mean?


(a.) Conferring aid or help; helping; aiding; assisting; subsidiary; as auxiliary troops (n.) A helper; an assistant; a confederate in some action or enterprise (n.) Foreign troops in the service of a nation at war; (rarely in sing.), a member of the allied or subsidiary force (sing.) A quantity introduced for the purpose of simplifying or facilitating some operation, as in equations or trigonometrical formulae (sing.) A verb which helps to form the voices, modes, and tenses of other verbs; -- called, also, an auxiliary verb; as, have, be, may, can, do, must, shall, and will, in English; etre and avoir, in French; avere and essere, in Italian; estar and haber, in Spanish

Synonyms ancillary, adjunct, aide, subsidiary, accessory, adjuvant, supportive, supplementary, secondary, supplemental, appurtenant

Example: "The main library and its auxiliary branches"

Word Family auxiliaries