secretary-n; 4 Senses

Sense Number 1: government bigwig

Commentary: A person, usually in the government, in charge of a department.

Today the Secretary of Defense declared his intention to invade Switzerland.
Tomorrow you're going to be elected Secretary-General of the United Nations.
As of yesterday, the position of Secretary of Labor was still unoccupied.

WordNet 2.0 Sense Numbers: 1

Sense Number 2: office assistant

Commentary: Someone who works in an office and typically handles correspondence and clerical work for a boss or an organization.

John got a low-paying job as Mary's secretary.
I'll have my secretary set up a lunch meeting between us.

WordNet 2.0 Sense Numbers: 2

Sense Number 3: secret-keeper

Commentary: A person to whom a secret is entrusted. This was the original meaning of "secretary", though it is rarely used today.

The Illuminati and the Freemasons are secretaries for the truth of the Roswell UFO landing.

WordNet 2.0 Sense Numbers: 3

Sense Number 4: writing desk

Commentary: A desk used for writing, also called an escritoire and a secretaire.

John sat down at his secretary and composed a memo to the President.

WordNet 2.0 Sense Numbers: 4