Obs. [a. Fr. égagropile f. Gr. αἴγαγρο-ς wild goat + πῖλος felted hair.] See quot.
1811. W. Walton, Peruvian Sheep, 97. The egagropiles, or hair balls, taken from the insides of horned cattle. Ibid., 99. In the Llama they [concretions] rather become egagropiles, from the quantity of hair he eats from his cupper.
