/ Dictionary / Index B big toe: Meaning and Definition of Find definitions for: big' toe' Pronunciation: [key] the first, innermost, largest digit of the foot. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. big time big top Related Content Daily Word Quiz: boorish Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language