/ Dictionary / Index C concavo-convex: Meaning and Definition of Find definitions for: con•ca•vo-con•vex Pronunciation: (kon-kā'vō-kon-veks'), [key] — adj. concave on one side and convex on the other. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: concavo-convex (Thesaurus) concavo-concave conceal Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language