Definition
(Noun) A supplement to a will, added by the testator for the purpose of explanation, alteration, or revocation of the original contents.
In Context
“She had amended her will in the year before her death through a codicil executed by a new lawyer; the codicil gave John McCabe 8 million.”
Alice Schroeder, The Snowball: Warren Buffet and the Business of Life, 2008.