/ Dictionary / Index L Legendre equation: Meaning and Definition of Find definitions for: Legen'dre equa"tion Pronunciation: [key] — Math. Math. a differential equation of the form (1−x)dy/dx − 2xdy/dx + a(a + 1)y = 0, where a is an arbitrary constant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Legendre legendry Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language