overcheck

[oh-ver-chek] /ˈoʊ vərˌtʃɛk/
noun
1.
a textile pattern having one checked design superimposed on another so that both are visible.
2.
a fabric having this pattern.
3.
a checkrein passing from the bit, over a horse's head, to the saddle of a harness.
Origin
1870-75; over- + check1
British Dictionary definitions for overcheck

overcheck

/ˈəʊvəˌtʃɛk/
noun
1.
a thin leather strap attached to a horse's bit to keep its head up
2.
(in textiles)
  1. a checked pattern laid over another checked pattern
  2. a fabric patterned in such a way