/ Dictionary / Index P pipe fitting: Meaning and Definition of Find definitions for: pipe' fit"ting Pronunciation: [key] a joint or connector, as an elbow, union, or tee, used in a pipe system. the work performed by a pipe fitter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pipefitting (Thesaurus) pipe fitter pipeful Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language