/ Dictionary / Index W who'll: Meaning and Definition of Find definitions for: who'll Pronunciation: (hl), [key] contraction of who will or who shall: Who'll mind the store? Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wholism wholly Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language