/ Dictionary / Index S sick day: Meaning and Definition of Find definitions for: sick' day" Pronunciation: [key] a day for which an employee will be paid while absent because of illness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sick call sicken 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