Lewis & Short

asprātĭlis, e, adj. [asper], rough (late Lat. for asper): piscis, with rough scales, Plin. Val. 5; 8; 10 al.; Edict. Diocl. p. 15: terminus, of a rough, unpolished stone, Auct. Lim. p. 305 Goes.: petra, id. ib. p. 228.