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

(computing) The time required for a user to perform a task using a computer, excluding the time when the computer is busy processing.

plural of usage guide

(linguistics, education) A book that explains how to use a standardised language correctly and in keeping with currently accepted style, usually through the explication of what are conservatively viewed as language "errors".

As usual.