Interline > define
- (v.t.) 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.
- (v.t.) To mark or imprint with lines.
- (v.t.) To arrange in alternate lines; as, to interline Latin and English.
by Webster's Revised Unabridged Dictionary