/ Dictionary / Index G GSR: Meaning and Definition of Find definitions for: GSR Pronunciation: [key] galvanic skin response. galvanic skin reflex. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gsr (Thesaurus) G spot GST 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