the act of attaching an inside lining (to a garment or curtain etc.)
"The tailor spent hours carefully sewing the lining into the coat to ensure it lay flat and felt smooth against the skin."
A covering for the inside surface of something.
"The tailor sewed a soft silk lining into the back of the jacket to make it more comfortable against the skin."
In plain English: A lining is an extra layer of fabric sewn inside something to make it more comfortable, durable, or waterproof.
"She added extra padding to the lining of her winter coat for warmth."
Usage: Use lining to describe any material placed on the interior of an object, such as fabric in a coat or paper in a box. This term specifically refers to the inner layer that provides protection or comfort rather than the outer shell itself.
present participle of line
"The chef carefully lined the baking pan before pouring in the batter."
In plain English: To line something is to put material inside it so that it looks nice, feels comfortable, or keeps things dry and warm.
"She is lining up her books on the shelf to make them look neat."