The Collaborative International Dictionary of English v.0.48:

Cutose \Cu"tose\ (k[=u]"t[=o]s), n. [L. cutis skin.] (Chem.)
   A variety of cellulose, occuring as a fine transparent
   membrane covering the aerial organs of plants, and forming an
   essential ingredient of cork; by oxidation it passes to
   suberic acid.
   [1913 Webster]