adjutant : Idioms & Phrases

• noun large Indian stork with a military gait
  Leptoptilus dubius; adjutant bird; adjutant.
  

WordNet

• noun a general's adjutant; chief administrative officer
  

WordNet

• (a) (Mil.), the principal staff officer of an army, through whom the commanding general receives communications and issues military orders. In the U. S. army he is brigadier general. (b) (Among the Jesuits), one of a select number of fathers, who resided with the general of the order, each of whom had a province or country assigned to his care.

Webster 1913

• noun large Indian stork with a military gait
  Leptoptilus dubius; adjutant bird; adjutant.
  

WordNet