柯林斯詞典vat /v?t/ (vats) 1. N-COUNT A vat is a large barrel or tank in which liquids can be stored. 大桶; 缸 返回 vat劍橋詞典a large container used for mixing or storing liquid substances , especially in a factory （尤指工業(yè)用）大桶，大盆，缸 a vat of wine /oil 一桶酒／油 返回 vat