/ Dictionary / Index E Engel's law: Meaning and Definition of Find definitions for: En'gel's law' Pronunciation: [key] the assertion that the percentage of a family's income spent on food decreases as its income increases. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Engels engender Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language