This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A notation made between the lines, especially in a handwritten document

n. The act of interlining.

n. That which is interlined; a passage, word, or line inserted between lines already written or printed.

n. The act of interlining; alteration or correction, as of written or printed matter, by interlinear insertion; also, that which is interlined; specifically, in law, an alteration made in a written instrument by inserting any matter after it is engrossed.

"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."

interlinear    effacement    spyglass    whereabout    obliteration