CROUSTADE Meaning of CROUSTADE in English [ krʊ'stα:d ]■ noun a crisp piece of bread or pastry hollowed to receive a savoury filling.OriginFr., from OFr. crouste or Ital. crostata 'tart'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004