/ Dictionary / Index S second-foot: Meaning and Definition of Find definitions for: sec•ond-foot Pronunciation: (sek'und foot'), [key] — n. a unit of measurement of liquid flow, esp. of rivers, equal to one cubic foot per second. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. second floor second-generation Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language