Толковый словарь английского языка Oxford English Reference - user

n. 1 a person who uses (esp. a particular commodity or service, or a computer). 2 colloq. a drug addict. 3 Law the continued use or enjoyment of a right etc. Phrases and idioms right of user Law 1 a right to use. 2 a presumptive right arising from the user. user-friendly esp. Computing (of a machine or system) designed to be easy to use.