Blench

1. A looking aside or askance.
2. To shrink; to start back; to draw back, from lack of courage or resolution; to flinch; to quail.
3. To fly off; to turn aside.
4. To draw back from; to deny from fear.
5. To grow or make pale.
6. To baffle; to disconcert; to turn away; -- also, to obstruct; to hinder.