noun Etymology: Middle English, from Old English hleahtor; akin to Old English hliehhan Date: before 12th century a sound of or as if of laughing, a cause of merriment
LAUGHTER
Meaning of LAUGHTER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012