Pronunciation: (vī'ul, vīl),[key] —n., v.,-aled, -al•ing or (esp. Brit.)-alled, -al•ling.
—n. 1. Also,phial.a small container, as of glass, for holding liquids: a vial of rare perfume; a vial of medicine. 2. pour out vials of wrath, to wreak vengeance or express anger: In her preface she pours out vials of wrath on her detractors.