Codicil

Origin

Borrowing from frm codicille, from Latin cōdicillus, diminutive of cōdex. See code

Full definition of codicil

Noun

1. (legal) An addition or supplement that explains, modifies, or revokes a will or part of one.
• 2005 : If Nick answered a question Wani listened to him and then gave a flat little codicil or correction. - Alan Hollinghurst, , (Bloomsbury Publishing, paperback edition, 378)