From Longman Dictionary of Contemporary Englishchopping boardˈchopping board British English, chopping block American English noun [countable] 
DFUa large piece of wood or plastic that you cut meat or vegetables on when you are cooking
DFUa large piece of wood or plastic that you cut meat or vegetables on when you are cookingExamples from the Corpus
chopping board• Remove the meat and transfer it to a chopping board. 5.• I've got all her cake tins and her chopping board, which still smells very evocatively of her wonderful Wienerschnitzel.• If possible, keep a separate chopping board just for meat preparation.• It leaped off the chopping board, and did several laps of the kitchen before three staff caught it.• After she'd cleared up lunch she hoisted Ethel's huge ox heart out of its water on to the chopping board. 