/ Dictionary / Index S short-day: Meaning and Definition of Find definitions for: short-day Pronunciation: (shôrt'dā'), [key] — adj. Bot. requiring a short photoperiod. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. short-cut short division Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language