Lieutenant /(lū̇*tĕn"ant)/

Lieu·ten·ant

Lieutenant

n.
  1. An officer who supplies the place of a superior in his absence; a representative of, or substitute for, another in the performance of any duty.
    The lawful magistrate, who is the vicegerent or lieutenant of God.
    — Abp. Bramhall.
  2. A commissioned officer in the army, next below a captain.

Phrases & Compounds

Deputy lieutenant
the title of any one of the deputies or assistants of the lord lieutenant of a county.
Lieutenant colonel
an army officer next in rank above major, and below colonel.
Lieutenant commander
an officer in the United States navy, in rank next below a commander and next above a lieutenant.
Lieutenant general
See in Vocabulary.
Lieutenant governor
An officer of a State, being next in rank to the governor, and in case of the death or resignation of the latter, himself acting as governor.