corticole,a.Bot.|ˈkɔːtɪkəʊl| [Erroneous ad.mod.F. corticicole, f. L. cortic-em bark + -cola inhabitant.] Growing or living in the bark of trees. 1882J. M. Crombie in Encycl.Brit. XIV. 562 With respect to corticole lichens, some prefer the rugged bark of old trees.