/ Dictionary / Index N nineteenth hole: Meaning and Definition of Find definitions for: nine'teenth hole' Pronunciation: [key] — Informal. Informal. the clubhouse or any other place where golfers gather after play to relax, talk, or have a drink. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Nineteenth Amendment ninetieth Related Content Daily Word Quiz: maritime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language