DAILY UPDATED VOCABULARY WITH PICTURES. LINING.

• lin‧ing [uncountable and countable]
• 1 a piece of material that covers the inside of something, especially a piece of clothing [↪ lined]:
• a jacket with a silk lining

• ➔ every cloud has a silver lining

   at cloud1 (6)
• 2 a substance or material that covers the inside of part of the body:
• the lining of the womb

Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.