There are 2 main definitions of blench in English:

blench1

Line breaks: blench
Pronunciation: /blɛn(t)ʃ
 
/

verb

[no object]
Make a sudden flinching movement out of fear or pain: he blenched and struggled to regain his composure
More example sentences
  • But even Melville might have blenched at Browning's final exordium.
  • Martha Stewart would blench at the Beehive decor, and it's hard to imagine Helen Clark posing with fluffy Persian cats, but otherwise Martha and Helen could pretty much swap places.
  • A headline in the current Spectator made me blench.
Synonyms
flinch, start, shy (away), recoil, shrink, pull back, back away, draw back, cringe, wince, quiver, shudder, shiver, tremble, quake, shake, quail, cower, waver, falter, hesitate, get cold feet, blanch

Origin

Old English blencan 'deceive', of Germanic origin; later influenced by blink.

Definition of blench in:

There are 2 main definitions of blench in English:

blench2

Line breaks: blench
Pronunciation: /blɛn(t)ʃ
 
/

verb

chiefly dialect
Variant spelling of blanch.

Definition of blench in: