Peal of laughter is a phrase that is used to describe a loud and joyful burst of laughter. It is a phrase that often has a certain musical quality to it, like the ringing of bells or the sound of chimes. There are a variety of synonyms that can be used to describe a peal of laughter, such as guffaw, chuckle, roar, cackle, and giggle. Each of these synonyms has its own unique connotation, but all of them convey a sense of merriment and mirth. Whether it is a burst of laughter that is loud and boisterous, or a quieter, more subdued chuckle, there is always a peal of laughter to be found in any joyful gathering.