From Longman Dictionary of Contemporary Englishblanchblanch /blɑːntʃ $ blæntʃ/ verb 1 [transitive]DFC to put vegetables, fruit, or nuts into boiling water for a short time Blanch the peaches and remove the skins.2 [intransitive] literaryCOLOUR/COLOR to become pale because you are frightened or shocked Patrick visibly blanched.→ See Verb table
Examples from the Corpus
blanch• Then, obsessively, she went back to blanching her face.• Chop zest and blanch in boiling water to cover for 5 minutes.• Four or five weeks more, and that greater snow would blanch the hedgerows.• A gun boomed; then another, blanching the sky to the south.• Blanch the spinach for 30 seconds.Origin blanch (1300-1400) Old French blanchir, from blanc “white” 