/ Dictionary / Index C cuneus: Meaning and Definition of Find definitions for: cu•ne•us Pronunciation: (ky'nē-us), [key] — pl. -ne•i a wedge-shaped convolution on the medial surface of the occipital lobe of the cerebrum. a wedge-shaped segment of the corium of certain hemipterous insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cuneus (Thesaurus) Cuneo cuniculus Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language