/ Dictionary / Index V volcanic cone: Meaning and Definition of Find definitions for: volcan'ic cone' Pronunciation: [key] — Geol. Geol. a conical hill produced by volcanic eruption of ash, cinders, or lava. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. volcanic bomb volcanic glass Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language