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

a person employed to answer the

A receptionist is an office/administrative support position. The work is usually performed in a waiting area such as a lobby or front office of an organization or business. The title "receptionist" is attributed to the person who is specifically employed by an organization to greet any visitors, patients, or clients.

Receptionist is a protocol for email handshaking, which should solve the majority of problems known collectively as "spam" while mitigating the drawbacks of "challenge/response" type implementations.

(front) desk clerk recess temporary cessation of work, especially in Parliament

an extremely important role in any organisation