/ Dictionary / Index G gesso: Meaning and Definition of Find definitions for: ges•so Pronunciation: (jes'ō), [key] — pl. -soes. gypsum or plaster of Paris prepared with glue for use as a surface for painting. any plasterlike preparation to prepare a surface for painting, gilding, etc. a prepared surface of plaster or plasterlike material for painting, gilding, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gesso (Thesaurus) Gessen gest Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language