Definitions
1.verbTo grow or become white"His cheek blanched with fear."
2.verbTo take the color out of, and make white; to bleach"Age has blanched his hair."
3.verbTo cook by dipping briefly into boiling water, then directly into cold water.
4.verbTo 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.verbTo bleach by excluding the light, for example the stalks or leaves of plants, by earthing them up or tying them together
6.verbTo make white by removing the skin of, for example by scalding"to blanch almonds"
7.verbTo give a white lustre to (silver, before stamping, in the process of coining)
8.verb(tntransitive) To cover (sheet iron) with a coating of tin.
9.verbTo give a favorable appearance to; to whitewash; to whiten;