- an officer ranking next above second lieutenant and next below a captain.
Origin of first lieutenant
First recorded in 1775–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for first lieutenant
“He will follow you presently,” said the first-lieutenant, hoping to pacify her.The Voyages of the Ranger and Crusader
I was many years ago, first-lieutenant of the Rainbow frigate.The Ferryman of Brill
William H. G. Kingston
Mr Schank therefore, as before, continued to act as our First-Lieutenant.
The First-Lieutenant, in spite of his wooden leg and wound, was among the foremost.
However, I walked into the gun-room to report myself and boat to the first-lieutenant.Rattlin the Reefer
- the officer responsible for the upkeep and maintenance of a warship, esp the executive officer of a smaller ship in the Royal Navy
- an officer holding commissioned rank in the US Army, Air Force, Marine Corps, or in certain other forces, senior to a second lieutenant and junior to a captain