Real Dictionary

law
Law is used to refer to a particular branch of the law, such as criminal law or company law.
singular noun: The law is a system of rules that a society or government develops in order to deal with crime, business agreements, and social relationships. You can also use the law to refer to the people who work in this system.

law in American English
all the rules of conduct established and enforced by the authority, legislation, or custom of a given community, state, or other group

law in American English 1
noun: the principles and regulations established in a community by some authority and applicable to its people, whether in the form of legislation or of custom and policies recognized and enforced by judicial decision

law in American English 4
interjection: (used as an exclamation expressing astonishment)

Law in British English
noun: Andrew Bonar (ˈbɒnə ). 1858–1923, British Conservative statesman, born in Canada; prime minister (1922–23)

law in British English 1
noun: a rule or set of rules, enforceable by the courts, regulating the government of a state, the relationship between the organs of government and the subjects of the state, and the relationship or conduct of subjects towards each other

law in British English 2
noun: a hill, esp one rounded in shape

law in British English 3
adjective