combining form of L. ērōsus (see EROSE) in Eroso-dentate a. Bot. and Zool. (see DENTATE), toothed irregularly, as if bitten (Treas. Bot.). Eroso-denticulate a. Zool. (see DENTICULATE).
1848. Dana, Zooph., 270. The upper margin of the coral is very fragile and eroso-dentate. Ibid., 261. Lamellæ finely eroso-denticulate.
