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1. Correction or alteration by writing between the lines
   - interlineation
    
2. A cloth lining between the outer and inner layers of a garment

1. Supply an additional lining between the fabric and main lining (e.g. for making curtains more insulating or stronger)
    
2. To write or insert between lines already written or printed, as for correction or addition
    
3. To arrange in alternate lines; as, to interline Latin and English

Derived forms: interlinings

Encyclopedia: Interlining