/ Dictionary / Index S siller: Meaning and Definition of Find definitions for: sil•ler Pronunciation: (sil'ur), [key] — n. Scot. silver. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sillcock Sillery Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language