BSEBSE /ˌbiː es ˈiː/ noun [uncountable] (bovine spongiform encephalopathy) a serious brain disease that affects cows一种侵害牛的严重脑部疾病enfermedad cerebral grave que afecta a las vacasdoença cerebral grave que afeta bovinos牛に感染する深刻な脳の病気소에게 영향을 미치는 심각한 뇌 질환 SYN  mad cow disease