/ Dictionary / Index F friction welding: Meaning and Definition of Find definitions for: fric'tion weld"ing Pronunciation: [key] a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. friction tape Friday Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language