What is the meaning of Adjutant?

A lower-ranking officer who assists a higher-ranking officer with administrative affairs.

An assistant.

Any bird of the genus Leptoptilos, a branch of the stork family (Ciconiidae) native to India and Southeast Asia.

Assistant; who helps a higher-ranking officer.

warrant officer class 1, warrant officer

Pre-1936 spelling of adiutant.

adjutant

an adjutant

Source: wiktionary.org