(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).

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

(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

A stipulation in a contract that the adoption of the overall contractual package requires adoption of all of the individual treaties or contracts within it.

plural of guillotine clause

plural of negative clause

plural of no-trade clause

plural of objective clause

plural of operative clause