blanch /blɑːntʃ $ blæntʃ/ BrE AmE verb
[ Date: 1300-1400 ; Language: Old French ; Origin: blanchir , from blanc 'white' ]
1 . [transitive] to put vegetables, fruit, or nuts into boiling water for a short time:
Blanch the peaches and remove the skins.
2 . [intransitive] literary to become pale because you are frightened or shocked:
Patrick visibly blanched.