/ Dictionary / Index H halfsies: Meaning and Definition of Find definitions for: half•sies Pronunciation: (haf'sēz, häf'-, hav'zēz, häv'-), [key] — n.pl. Informal. halves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. half shell half sister Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language