Meaning of interfacing

in•ter•fac•ing

Pronunciation: (in'tur-fā"sing), [key]
— n.
  1. a woven or nonwoven material used between the facing and outer fabric of a garment, as in the collar and lapels of a jacket, to add body and give support and shape to the garment.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.