/ Dictionary / Index L Laffer curve: Meaning and Definition of Find definitions for: Laf'fer curve" Pronunciation: (laf'ur), [key] — Econ. Econ. a relationship postulated between tax rates and tax receipts indicating that rates above a certain level actually produce less revenue because they discourage taxable endeavors and vice versa. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lafcadio's Adventures* Lafitte Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language