/ Dictionary / Index N nailer: Meaning and Definition of Find definitions for: nail•er Pronunciation: (nā'lur), [key] — n. a person or thing that drives nails, as a machine that drives nails automatically. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: nailer (Thesaurus) nail enamel nailer joist 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