/ Dictionary / Index S sillcock: Meaning and Definition of Find definitions for: sill•cock Pronunciation: (sil'kok"), [key] — n. hosecock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sillanpää siller 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