Pronunciation: (sla&thslash;'ur), [key] Informal.
1. to spread or apply thickly: to slather butter on toast.
2. to spread something thickly on (usually fol. by with): to slather toast with butter.
3. to spend or use lavishly.
1. Often, slathers. a generous amount: slathers of money.
2. open slather, Australian.complete freedom.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.