/ Dictionary / Index J joiner door: Meaning and Definition of Find definitions for: join'er door" Pronunciation: [key] a door of wood or light metal set in a nonwatertight bulkhead. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. joiner joinery Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language