lieutenant

Từ điển Oxford Advanced Learner 8th

lieu·ten·ant [lieutenant lieutenants] BrE [lefˈtenənt] NAmE [luːˈtenənt] noun (abbr.Lieut., Lt)
1. an officer of middle rank in the army, navy, or ↑air force
•Lieutenant Paul Fisher
see also ↑flight lieutenant, ↑second lieutenant, ↑sub lieutenant
2. (in compounds)an officer just below the rank mentioned
•a lieutenant colonel
3. (in the US) a police officer of fairly high rank
4. a person who helps sb who is above them in rank or who performs their duties when that person is unable to

Word Origin:
late Middle English: from Old French (see ↑lieu, ↑tenant).

• Từ đồng nghĩa / Synonyms:
  deputy, police lieutenant