(law) a provision of a law which says the law or something under it, as an agency or benefit established by it, will come to an end on a particular date or after a particular period of time.

(linguistics) A dependent adverbial clause expressing purpose.

(law) A secret clause inserted into a testament and known by the testator alone, with a condition that no will made thereafter will be valid unless the same clause is inserted word for word (to guard against later wills extorted by violence, etc).

(US) A clause sometimes inserted in contracts or specifications, requiring that a construction material such as cement must be of a brand that has stood the test of a specified number of years' use in an important public work.

plural of pedigree clause

(law) A clause (of a judgment, order, resolution, etc.) which requires anything to be done or not to be done.

(grammar) a subordinate clause which functions as a subject or object of the main clause

(US, sports) A clause in a contract by players who do not wish to be traded without their consent.

(informal) An escape clause.

(Australia, India, New Zealand, UK) A provision in a bill before Parliament, that enables the Government to amend the text of the bill once it becomes an Act of Parliament or to repeal the Act using secondary legislation.