codicil

/ˈkɑdəsəl/
noun
  1. An addition or change to a will that adds to, explains, or modifies the original document.
    • After her daughter was born, she added a codicil to her will to include her as a beneficiary.
    • The lawyer explained that a codicil must be signed and witnessed just like the original will.
    • He wrote a simple codicil leaving his antique watch collection to his nephew.
  2. A supplement or appendix that adds to or modifies a document, agreement, or plan.
    • They added a codicil to the treaty clarifying the border between the two countries.
    • The committee approved a codicil to the bylaws that changed the voting procedure.
    • The contract had a codicil that extended the deadline by two weeks.
What does "codicil" mean? | whatsthatwordmean | whatsthatwordmean