/ Dictionary / Index C conic section: Meaning and Definition of Find definitions for: con'ic sec'tion Pronunciation: [key] — Geom. Geom. a curve formed by the intersection of a plane with a right circular cone; an ellipse, a circle, a parabola, or a hyperbola. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. conics conidiophore Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language