/ Dictionary / Index S single Spanish burton: Meaning and Definition of Find definitions for: sin'gle Span'ish bur'ton Pronunciation: [key] a tackle having a runner as well as the fall supporting the load, giving a mechanical advantage of three, neglecting friction. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. single-space single standard Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language