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.
A commissioned officer in the army, next below a captain.
A commissioned officer in the British navy, in rank next below a commander.
A commissioned officer in the United States navy, in rank next below a lieutenant commander.
98,828 entries. Headwords are matched first, then definition text.