Definition of blenched:
(v) :
(intransitive) To shrink; start back; give way; flinch; turn aside or fly off.
(v) :
(transitive) To draw back from; shrink; avoid; elude; deny, as from fear.
(v) :
(transitive) To deceive; cheat.
(v) :
(transitive) To hinder; obstruct; disconcert; foil.
(v) :
(intransitive, of the eye) To quail.
(v) :
(intransitive) To fly off; to turn aside.