adjutant

n.

  1. A helper; an assistant.
  2. A regimental staff officer, who assists the colonel, or commanding officer of a garrison or regiment, in the details of regimental and garrison duty.
  3. A species of very large stork (Ciconia argala), a native of India; -- called also the gigantic crane, and by the native name argala. It is noted for its serpent-destroying habits.