1) Excorticate 2) Pare 1) Remove the cortex of 2) Remove the outer layer of 3) Strip 
to shed or peel off the outer bark of a tree.
to remove the bark, rind or husk from; to strip of its bark; to come off as a skin
to remove the bark, husk or peel of
• (v. t.) To divest of the bark, husk, or exterior coating; to husk; to peel; to hull.
De·cor'ti·cate transitive verb [ imperfect & past participle Decorticated ; present participle & verbal noun Decorticating .] [ Latin decorticatus , past participle of decorticare to bark; de- + cortex bark...
[v] - remove the outer layer of 2. [v] - surgically remove the cortex of (an organ)
verb remove the outer layer of; `decorticate a tree branch`
to remove the bark, husk, or outer covering from. · to remove the cortex from (an organ or structure).