n.[C]

1. 指揮官，司令官
   The commander in chief reviewed his troops.

   總司令檢閱他的部隊。

2. 海軍中校
   Before his retirement from the navy, he was a commander.

   從海軍退伍之前，他是個中校。

3. （團體、組織的）主管人，領導人
4. 大木搥

n.

1. a person in authority, especially in a military context.
   ▸a rank of naval officer, above lieutenant commander and below captain.
   ▸an officer in charge of a Metropolitan Police district in London.
2. a member of a higher class in some orders of knighthood.