Interline :: Interline (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..
Interline :: Interline (v. t.) To arrange in alternate lines; as, to interline Latin and English..
Interline :: Interline (v. t.) To mark or imprint with lines.
Interlinear :: Interlinear (a.) Contained between lines; written or inserted between lines already written or printed; containing interlineations; as, an interlinear manuscript, translation, etc..