definition of
lieutenant

[1] #1 lieutenant n. a commissioned military officer. wn

[2] #2 lieutenant n. [police lieutenant] an officer in a police force. wn

[3] #3 lieutenant n. [deputy] an assistant with power to act when his superior is absent. wn

[4] #4 lieutenant n. an officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade. wn