Former name of USAF. (United States Air Force); Initialism of United States Army Air Forces.

Former name of USAAF (“United States Army Air Force”). (now, USAF (“United States Air Force”)) Initialism of United States Army Air Corps.

plural of useless eater

(politics) In the ideology of Nazi Germany, a person with a serious medical problem or disability, seen as requiring help from society but giving nothing back.

An usher in the British royal household. / (historical) A high-ranking servant responsible for overseeing the work of other servants.

Any person that makes use of a road, such as a driver, cyclist, motorcyclist, moped rider, pedestrian or horserider.

(computing) In software development, a natural language description of how an end user uses a system feature.

plural of user story

(UK politics) Communication channels between the government and the main opposition party, used to discuss matters pertaining to the business of parliament.

plural of user time