Webster's Revised Unabridged Dictionary · 1913

Interline

Interline , transitive verb

[Prefix inter- + line: compare Late Latin interlineare, French interlinéer, Old French entreligner.]

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. — Swift
2.
To arrange in alternate lines; as, to interline Latin and English. — Locke
3.
To mark or imprint with lines.
A crooked wrinkle interlines my brow. — Marlowe