\Cu"tin\ (k[=u]"t[i^]n), n. [L. cutis skin, outside.]
(Bot.)
The substance which, added to the material of a cell wall,
makes it waterproof, as in cork.

\Cu"tin\ (k[=u]"t[i^]n), n. [L. cutis skin, outside.]
(PLant Physiol.)
A waxy substance which, combined with cellulose, forms a
substance nearly impervious to water and constituting the
cuticle in plants.