loot

1. In the US Army, Air Force and Marines, holding the rank above second lieutenant and below captain. Both ranks may be referred to as "lieutenant" or as the complete forms of the ranks. (US)
2. A naval officer whose rank is above that of ensign in the United States Navy and below that of a lieutenant commander. There are two ranks of lieutenant: lieutenant junior grade and lieutenant. (US)
3. A commissioned officer in the United States Coast Guard, Public Health Service, or National Atmospheric and Oceanic Administration whose rank is above that of ensign and below lieutenant commander. There are two ranks of lieutenant: lieutenant junior grade and lieutenant. (US)
4. A person who manages or executes the plans and directives of another, more senior person; a manager to their director.
5. The second-in-command (2IC) of a group.

Plural loots