(Britain, law) A former (1824–1981) law by which police officers were permitted to arrest anyone under suspicion of having committed a crime

(law) The doctrine that no individual is above the law and that everyone must answer to it. / (law) The maxim whereby governmental decisions are made by applying known legal principles.

(chiefly UK) The principle that what can go wrong, will go wrong, usually with some observed degree of irony

The Latin language as used in law and legal documents, being a mixture of Latin with Old French and Latinized English words. / (humorous, obsolete) Barbarous Latin.

Rule by military authorities, especially when imposed on a civilian population in time of war or other crisis, or in an occupied territory.

(physics) the fundamental law of electrostatics - the force between two point charges is proportional to the product of their charges, and inversely proportional to the square of the distance between them

An adage which states that if anything can go wrong, then it will.

Within the letter of the law but not the spirit of the law.

Someone's nephew's wife. / Someone's sibling's daughter-in-law. / Someone's spouse's sibling's daughter-in-law. / Someone's husband's niece. (Usually called a niece.)

plural of mother-in-law