/ Dictionary / Index F footwall: Meaning and Definition of Find definitions for: foot•wall Pronunciation: (foot'wôl"), [key] — n. the top of the rock stratum underlying a vein or bed of ore. Cf. hanging wall (def. 1). a mass of rock lying beneath a fault plane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: footwall (Thesaurus) foot-ton foot warmer Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language