laugh
noun
°An expression of mirth particular to the human species; the sound heard in laughing; laughter.
"1803 The Poetical Works of Oliver Goldsmith, M.B.: With an Account of His Life Page 45: And the loud laugh that spoke the vacant mind. — Oliver Goldsmith"
°Something that provokes mirth or scorn.
verb
°To show mirth, satisfaction, or derision, by peculiar movement of the muscles of the face, particularly of the mouth, causing a lighting up of the face and eyes, and usually accompanied by the emission of explosive or chuckling sounds from the chest and throat; to indulge in laughter.
"Queen Hecuba laughed that her eyes ran o’er. — Shakespeare, Troilus and Cressida, I-ii"
°(figurative) To be or appear cheerful, pleasant, mirthful, lively, or brilliant; to sparkle; to sport.
"Then laughs the childish year, with flowerets crowned. — John Dryden"
synonyms: cackle, chortle, chuckle, giggle more» , guffaw, snicker, snigger, titter, cachinnation, joke, laughing stock, cackle, chortle, chuckle, giggle, guffaw, snicker, snigger, titter