/ Dictionary / Index R red squill: Meaning and Definition of Find definitions for: red' squill' Pronunciation: [key] a variety of squill whose bulbs are red, used chiefly as a rat poison. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Red Square red squirrel Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language