Definitions
1.nounOne who exercises control and direction of a military or naval organization.
2.nounA naval officer whose rank is above that of a lieutenant commander and below that of captain.
3.nounOne who exercises control and direction over a group of persons.
4.nounA designation or rank in certain non-military organizations such as NASA and various police forces.
5.nounThe chief officer of a commandry.
6.nounA heavy beetle or wooden mallet, used in paving, in sail lofts, etc.
7.nounA rank within an honorary order: e.g. Commander of the Legion of Honour.
8.nounAny of various nymphalid butterflies of the Asian genus Moduza.