Meaning of FACING in English

FACING

[noun] [C]A facing is an outer layer covering a wall, etc..The wall was built of rubble with a facing of stone.Facing is an extra layer of material sewn to the inside edge of a piece of clothing to strengthen it, or to the outside, esp. of collars and the ends of sleeves for decoration.A blue jacket with white facing(s)

Cambridge English vocab.      Кембриджский английский словарь.