/ Dictionary / Index N nailer joist: Meaning and Definition of Find definitions for: nail'er joist" Pronunciation: [key] a steel joist having a permanently attached nailing strip, as for securing wooden flooring. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nailer nail file Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language