n.
Pronunciation: ' ä-f ə -s ə r, ' o ̇ -
Function: noun
Etymology: Middle English, from Anglo-French, from Medieval Latin officiarius, from Latin officium
Date: 14th century
1 a obsolete : AGENT b : one charged with police duties
2 : one who holds an office of trust, authority, or command <the officer s of the bank> <chief executive officer >
3 a : one who holds a position of authority or command in the armed forces specifically : COMMISSIONED OFFICER b : the master or any of the mates of a merchant or passenger ship