| 1. | a person who holds a position of rank or authority in the army, navy, air force, or any similar organization, esp. one who holds a commission. |
| 2. | a member of a police department or a constable. |
| 3. | a person licensed to take full or partial responsibility for the operation of a merchant ship or other large civilian ship; a master or mate. |
| 4. | a person appointed or elected to some position of responsibility or authority in the government, a corporation, a society, etc. |
| 5. | (in some honorary orders) a member of any rank except the lowest. |
| 6. | Obsolete. an agent. |
| 7. | to furnish with officers. |
| 8. | to command or direct as an officer does. |
| 9. | to direct, conduct, or manage. |