ETYM Latin decorticatio: cf. French décortication.
The act of stripping off the bark, rind, hull, or outer coat.
1. The act or process of removing the outer coverings (as bark or husks) from something (as fiber or seed).
2. The surgical removal of the outer layer or covering of an organ or structure (as the brain or a kidney).

1. Groats; hulled oats.
2. Bombardment by artillery shells.