From Longman Dictionary of Contemporary Englishice bucketˈice ˌbucket noun [countable] 1 
DFDa container filled with ice to keep bottles of wine cold2 DFDa container in which pieces of ice are kept for putting in drinks
DFDa container filled with ice to keep bottles of wine cold2 DFDa container in which pieces of ice are kept for putting in drinksExamples from the Corpus
ice bucket• There was an ice bucket in the middle and a bottle of chilled champagne.• He reaches for the ice bucket and starts pouring the champagne.• Gouts of blood, on the bar towels, the ice bucket. 