/ Dictionary / Index W walking beam: Meaning and Definition of Find definitions for: walk'ing beam" Pronunciation: [key] — Mach. Mach. an overhead oscillating lever, pivoted at the middle, for transmitting force from a vertical connecting rod below one end to a vertical connecting rod, pump rod, etc., below the other end. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. walking bass walking catfish 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