revers

noun, plural re·vers [ri-veerz, –vairz] /rɪˈvirz, -ˈvɛərz/.

1. a part of a garment turned back to show the lining or facing, as a lapel.
2. a trimming simulating such a part.
3. the facing used.

noun plural -vers (-ˈvɪəz)

1. (usually plural) the turned-back lining of part of a garment, esp of a lapel or cuff