loud laughter; roar of laughter; raucous laughter
Typically describes a group of people laughing loudly and boisterously together. Often used in literary or descriptive contexts.
His joke brought a roar of laughter from the audience.
The raucous laughter of friends echoed through the izakaya.
哄 (こう) means 'to roar' or 'to resound', and 笑 (しょう) means 'laughter'. The compound literally means 'roaring laughter'.