What is the meaning of Adjutant?

An assistant.

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

Either the greater or the lesser adjutant, stork species of the genus Leptoptilos, 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