blanch

verb12

1. •
   To grow or become white.

   • His cheek blanched with fear.
   • The rose blanches in the sun.
2. •
   To take the color out of, and make white; to bleach.

   • Age has blanched his hair.
3. •
   To cook by dipping briefly into boiling water, then directly into cold water.
4. •
   To whiten, for example the surface of meat, by plunging into boiling water and afterwards into cold, so as to harden the surface and retain the juices.
5. •
   To make white by removing the skin of, for example by scalding.
6. •
   (figurative) To give a favorable appearance to; to whitewash; to whiten;

   • Blanch over the blackest and most absurd things. — 1680
7. •
   To bleach by excluding light, for example the stalks or leaves of plants by earthing them up or tying them together.
8. •
   To avoid, as from fear; to evade; to leave unnoticed.

   • Ifs and ands to qualify words of treason; whereby every man might express his malice, and blanch his danger. — 1622
9. •
   To use evasion.

   • Books will speak plain, when counsellors blanch. — 1625
10. •
    To cause to turn aside or back.
11. •
    To give a white lustre to (silver, before stamping, in the process of coining)
12. •
    To cover (sheet iron) with a coating of tin.