/ ˈdepjuti; NAmE / noun ( pl. -ies )
1.
a person who is the next most important person below a business manager, a head of a school, a political leader, etc. and who does the person's job when he or she is away :
I'm acting as deputy till the manager returns.
the deputy head of a school
2.
the name for a member of parliament in some countries
3.
(in the US) a police officer who helps the sheriff of an area
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WORD ORIGIN
late Middle English : from Old French depute , from late Latin deputatus , past participle of deputare consider to be, assign, from de- away + putare consider.