/ Dictionary / Index C cicada: Meaning and Definition of Find definitions for: ci•ca•da Pronunciation: (si-kā'du, -kä'-), [key] — pl. -das, -dae 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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cicada (Thesaurus) C.I.C. cicada killer Related Content Daily Word Quiz: sumptuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language