any large homopterous insect of the family Cicadidae, the male of which produces a shrill sound by means of vibrating membranes on the underside of the abdomen.
ci·ca·da (sĭ-kā'də, -kä'-) n.
pl.ci·ca·das or ci·ca·dae (-dē') Any of various insects of the family Cicadidae, having a broad head, membranous wings, and in the male a pair of resonating organs that produce a characteristic high-pitched, droning sound. Also called cicala.