(law) A clause in a lease or contract that guarantees a change in the agreement price once a particular factor beyond control of either party affecting the value has been determined.

A clause in the First Amendment to the United States Constitution, stating "Congress shall make no law respecting an establishment of religion".

(law) The part of the testator's will in which the residue of his/her estate is disposed of.

(grammar) An adverbial participle or verbless clause lacking a subordinator.

A provision of a contract in which a debtor concedes to jurisdiction in certain courts, waives notice agreements, and in case of a default or breach grants an adverse judgment.

Alternative letter-case form of Establishment Clause

(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).

(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.