Definition of "interlineation" [in•ter•lin•e•a•tion]

• A notation made between the lines, especially in a handwritten document (noun)

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• "The condition of the little pages of manuscript where Death stopped his hand, shows that he had carried them about, and often taken them out of his pocket here and there, for patient revision and interlineation."
• "Excuse my interlineation of this correction of my post: "...than the private citizen should be telling the office-seeker what to say.""
• "[The following three paragraphs were begun by JA as an interlineation in the MS and then continued on a separate sheet marked for insertion ahead of the entry of 17 April, below.]"