/ 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: 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