noun
plural units
[count] a single thing, person, or group that is a part of something larger
a part of a hospital where a particular type of care is provided
a particular amount of length, time, money, etc., that is used as a standard for counting or measuring
a part of a school course or textbook with a particular subject
US education :an amount of work used for measuring a student's progress towards earning a degree in a school, college, etc.
business :an individual item of one of the products that a company makes and sells
a machine or part of a machine or system that has a particular use
one of a number of apartments in a building
a set of similar pieces of furniture (such as shelves or cabinets) that are grouped or attached together
US