Definition of "interlining" [in•ter•lin•ing]

• An extra lining between the outer fabric and regular lining of a garment. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The evening gown, for instance, contains materials from six countries, including Japanese hanger loops, Swiss zippers, and German interlining, Mr. Jeenicke said."
• "It was so dark that Sara guessed Tess had had a thick interlining put in the curtains."
• "The fun part would be finding the right interfacing or interlining for the neckline . .."