Breadcrumb Home > Dictionary > Index G Giannini: Meaning and Definition of Find definitions for: Gi•an•ni•ni Pronunciation: (jē"u-nē'nē), [key] 1903–66, U.S. composer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Giaever giant ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language