Bible Dictionaries
Laughter

Webster's Dictionary

(v. i.) A movement (usually involuntary) of the muscles of the face, particularly of the lips, with a peculiar expression of the eyes, indicating merriment, satisfaction, or derision, and usually attended by a sonorous and interrupted expulsion of air from the lungs. See Laugh, v. i.

Bibliography Information
Webster, Noah. Entry for 'Laughter'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/laughter.html. 1828.