General Definition: 1. The action of using something sharp to remove the surface from something long and flat, such as removing the scales from a fish. As a Verb or Adjective: 1. To remove the scales from a whole fish, or piece of fish, using a knife or specialised implement. English = descale. Note: 1. There appears to be no commonly used Auslan sign for DESCALE (but some signers represent this visually using these depicting signs, once they have established the topic). If you know a sign for DESCALE used by you or other Auslan users (deaf people or interpreters) please go to "Report missing sign" and supply details. Thank you.