[1] : The Collaborative International Dictionary of English v.0.48

commander \command"er\, n. cf. f. commandeur. cf. commodore,
   commender.
   1. a chief; one who has supreme authority; a leader; the
      chief officer of an army, or of any division of it.
      1913 webster

            a leader and commander to the people. --is. lv. 4.
      1913 webster

   2. navy an officer who ranks next below a captain, --
      ranking with a lieutenant colonel in the army.
      1913 webster

   3. the chief officer of a commandery.
      1913 webster

   4. a heavy beetle or wooden mallet, used in paving, in sail
      lofts, etc.
      1913 webster

   commander in chief, the military title of the officer who
      has supreme command of the land or naval forces or the
      united forces of a nation or state; a generalissimo. the
      president is commander in chief of the army and navy of
      the united states.

   syn: see chief.
        1913 webster
see also:
commodore commender commander in chief chief 

[2] : WordNet (r) 2.0

commander in chief
     n : the officer who holds the supreme command; "in the u.s. the
         president is the commander in chief" syn: generalissimo
see also:
generalissimo 

Chief >> C Words
Chief, definition of term: Chief
chief_pag1.html

Commander >> C Words
Commander, definition of term: Commander
commander_pag1.html

Chief Operating >> C Words
Chief Operating, definition of term: Chief Operating
chief+operating_pag1.html

Chief Justice >> C Words
Chief Justice, definition of term: Chief Justice
chief+justice_pag1.html

Chief Hare >> C Words
Chief Hare, definition of term: Chief Hare
chief+hare_pag1.html

Chief Executive >> C Words
Chief Executive, definition of term: Chief Executive
chief+executive_pag1.html

Chief Executive >> C Words
Chief Executive, definition of term: Chief Executive
chief+executive_pag1.html

Wing Commander >> W Words
Wing Commander, definition of term: Wing Commander
wing+commander_pag1.html

Commander In Ch >> C Words
Commander In Ch, definition of term: Commander In Ch
commander+in+ch_pag1.html