floodlight
noun [ C usually plural ] uk/ˈflʌd.laɪt/ us/ˈflʌd.laɪt/
（用于体育场、建筑物等室外区域照明的）泛光灯，泛光照明灯
a large, powerful electric light used for lighting outside areas, such as sports fields or buildings, in the dark
This evening's match will be played under floodlights. 今晚的比赛将在泛光灯下进行。