/ Dictionary / Index P posthole digger: Meaning and Definition of Find definitions for: post'hole dig"ger Pronunciation: [key] a tool or device for digging a posthole. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. posthole post horn Related Content Daily Word Quiz: designate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language