Lieutenant Baldwins Ten Hour Tour

Lieutenant, company grade officer, the lowest rank of commissioned officer in most armies of the world. The lieutenant normally commands a small tactical unit such as a platoon. If you refer to someone as a person's lieutenant, you mean they are that person's assistant, especially their main assistant, in an organization or activity.

The senior grade of lieutenant is known as first lieutenant in the united states, and as lieutenant in the united kingdom and the rest of the english-speaking world. In english, lieutenant is best known as a military title, but the word is still sometimes used in its original meaning to refer to a person who acts in lieu of someone else. Definition of lieutenant noun in oxford advanced learner's dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.