codicil(redirected from codicillary)
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An amendment or modification to a will that is not intended to displace or abolish the will. Codicils are subject to the same legal requirements as a will, such as the signatures of a certain number of witnesses. Courts sometimes have difficulty in determining whether a document is a codicil or an entirely new will, but, in general, documents dealing with only a portion of an estate are presumed to be codicils unless they specifically abolish previous wills.
A legal change made to a will.