/ Dictionary / Index V Volcano Islands: Meaning and Definition of Find definitions for: Volca'no Is'lands Pronunciation: [key] three islands in the W Pacific, belonging to Japan: under U.S. administration 1945–68. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. volcano volcanology Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language