Interline v. t. (past & past part. interlined; pres. part. interlining)
1.
To write or insert between lines already written or printed, as for correction or addition; to write or print something between the lines of; as, to interline a page or a book.
2.
To arrange in alternate lines; as, to interline Latin and English.
3.
To mark or imprint with lines. "A crooked wrinkle interlines my brow."