ETYM Latin.
1. An agent that operates some apparatus or machine; SYN. manipulator.
2. Someone who owns or operates a business.
3. Someone who handles telephone inquiries and helps callers to make connections.
4. A speculator who trades aggressively on stock or commodity markets.
5. (Mathematics) A symbol that represents a function from functions to functions. + prikaži više

A secretary whose main duty is to answer the telephone and receive visitors.