LAW

noun

1. The body of binding rules and regulations, customs and standards established in a community by its legislative and judicial authorities.
2. A binding regulation or custom established in a community in this way.
3. (more generally) A rule, such as:

verb

1. To work as a lawyer; to practice law.
2. To prosecute or sue (someone), to litigate.
3. To rule over (with a certain effect) by law; govern.