Secretary-general (noun)

The chief administrative officer of an organization, particularly of the United Nations.

Origin:

Late middle english: from old french secretaire general, from secretaire (see secretary) + general (see general). the title of the head of the united nations was adopted in 1946.

Examples:

1. The secretary-general of the United Nations is the chief administrative officer of the organization.
2. The secretary-general is appointed by the General Assembly on the recommendation of the Security Council.
3. The Secretary-General is responsible for carrying out the day-to-day work of the United Nations.
4. Secretary-General is accountable to the General Assembly for the administration of the United Nations.
5. The Secretary-General serves as the de facto spokesperson and leader of the United Nations.