interline

A line between other lines.

To insert between lines: as, to interline corrections in a writing.

To write or print between the lines of, as of something already written or printed.

To write or print in alternate lines: as, to interline Greek with Latin.

To insert, as a thickness of fabric or material, between the lining and the outer surface of (a garment): as, a cloak lined with silk, and interlined with flannel.

To write or insert between lines already written or printed, as for correction or addition; to write or print something between the lines of.

To arrange in alternate lines.

To mark or imprint with lines.

between (or with) two airlines

To write or insert between lines already written or printed, as for correction or addition.