Meaning of OFFICER in English

OFFICER

of ‧ fi ‧ cer S1 W1 /ˈɒfəsə, ˈɒfɪsə $ ˈɒːfəsər, ˈɑː-/ BrE AmE noun [countable]

[ Word Family: noun : ↑ office , ↑ officer , ↑ official , ↑ officialdom , ↑ officialese , ↑ officiousness ; adverb : ↑ officially ≠ ↑ unofficially , ↑ officiously ; adjective : ↑ official ≠ ↑ unofficial , ↑ officious ; verb : ↑ officiate ]

1 . someone who is in a position of authority in the army, navy etc

an army/naval/military etc officer

a commanding officer of the SAS

2 . someone who is in a position in an organization or the government:

a prison officer

the chief medical officer

a former Cabinet officer

the public information officer

⇨ ↑ chief executive officer , ⇨ press officer at ↑ press office , ⇨ ↑ probation officer , ↑ returning officer

3 . a member of the police SYN police officer , policeman , policewoman :

a request for 400 more officers

4 . Officer American English a title for a policeman or policewoman:

Officer Murdoch

• • •

THESAURUS

■ people in an army

▪ soldier someone who is in the army, especially someone who is not an officer:

Three soldiers were killed in an hour-long gun battle.

▪ troops soldiers, especially those who are taking part in a military attack:

The government sent more troops to Iraq.

▪ serviceman/servicewoman a man or woman who is in the army, air force, or navy:

The hospital treats injured servicemen and women.

▪ officer a high-ranking member of the army, air force, or navy who is in charge of a group of soldiers, sailors etc:

an army officer

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.