An employee in a shop, a shopkeeper.

plural of writ of assistance

A shop assistant

A high-ranking library clerk, second only to a librarian.

(chemistry) A form of neighbouring group participation in which the rate of a reaction is increased

plural of library assistant

(historical, US) a court order that authorized customs officers to conduct general searches of premises for contraband; a form of search warrant

A system that allows a video version of a take to be viewed immediately after it is filmed.

plural of sales assistant

assistant referee