Definitions
1.nounOne appointed as the substitute of another, and empowered to act for them, in their name or their behalf; a substitute in office"As the deputy store manager, he is able to fire staff."
2.nounA person employed to install and remove props, brattices, etc. and to clear gas, for the safety of the miners.
3.noun(France): A member of the Chamber of Deputies, formerly called Corps Législatif
4.noun(Ireland): a member of Dáil Éireann, or the title of a member of Dáil Éireann. (Normally capitalised in both cases)"At today's meeting, Deputy Ryan will speak on local issues."
5.noun(United States): a law enforcement officer who works for the county sheriff's office; a deputy sheriff or sheriff's deputy; the entry level rank in such an agency"The sheriff's deputies took the suspect into custody."
6.verbTo deputise