Frequency: The word is one of the 3000 most common words in English.
A ~ is a person or thing that uses something such as a place, facility, product, or machine.
Beach ~s have complained about people walking their dogs on the sand.
...a regular ~ of Holland’s health-care system.
...a ~ of electric current, such as an electric motor, a lamp, or a toaster.
N-COUNT: with supp