interlining noun4 •A cloth lining between the outer and inner layers of a garment. •The scheduling of vehicles to operate more than one route, or the selling of tickets for a trip across multiple carriers •Correction or alteration by writing between the lines; interlineation.And the interlinings seemed to be writ in a hand different from that in which the papers were writ — 1716 •The sharing of a segment of track between two rail lines. formsinterlinings
