/ Dictionary / Index S scratch test: Meaning and Definition of Find definitions for: scratch' test" Pronunciation: [key] a test for a suspected allergy in which the skin is scratched and an allergen applied to the area, redness indicating a positive reaction. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scratch sheet scratch wig 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