n.
1.a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
2.a rule or standard especially of good behavior
3.a basic truth or law or assumption
4.a rule or law concerning a natural phenomenon or the function of a complex system
5.rule of personal conduct
6.(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
Idiom of the Day
get a bang out of (someone or something)
to receive special pleasure from someone or something
My father gets a bang out of the funny birthday cards that we send him.