/ Dictionary / Index S Silbury Hill: Meaning and Definition of Find definitions for: Sil'bur•y Hill' Pronunciation: (sil'ber"ē, -bu-rē), [key] the largest prehistoric artificial mound in Europe, located near Avebury, England, and dating from 2600b.c. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Silastic sild Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language