From Longman Dictionary of Contemporary Englishlininglin‧ing /ˈlaɪnɪŋ/ ●○○ noun [countable, uncountable] 1 
DCa 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
DCa 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 wombExamples from the Corpus
lining• The type and quality of the inner lining was dependent on the purse of the purchaser.• You will need the same amount of lining as outer curtain fabric, less allowance for pattern matching.• The coat has a silk lining.• Mind you, every cloud had a silver lining.• But it's certainly how can I put it - the silver lining.• Peel off the lining paper and roll up with the sugared paper.• The lining is disposable, although alternatively you could use a blanket.• The lining paper used should be non-stick, whether greaseproof, parchment, baking paper, bakewell or brown.• The ovens have Ticene linings which help clean themselves, fitted as standard or as an option. 