commander

noun9

1. •
   an officer who is in control of an army or a navy, or of a part of one

   • I think if post commanders of the unchaplained posts could employ acceptable clergymen […] then the needs might be met. — 1883
2. •
   One who exercises control and direction over a group of persons.
3. •
   A naval officer whose rank is above that of a lieutenant commander and below that of captain.

   • Shepard: I don't take orders from you anymore, remember? Anderson: Consider yourself reinstated... Commander. — 2012
4. •
   A designation or rank in certain non-military organizations such as NASA and various police forces.
5. •
   A rank within an honorary order: e.g. Commander of the Legion of Honour.
6. •
   (Singapore) A soldier who has attained the rank of sergeant or higher
7. •
   A heavy beetle or wooden mallet, used in paving, in sail lofts, etc.
8. •
   Any of various nymphalid butterflies of the Asian genus Moduza.
9. •
   (no longer used) The chief officer of a commandry.