From Longman Dictionary of Contemporary Englishlaughter linesˈlaughter lines noun [plural] British EnglishHBH lines on your skin around your eyes, which can be seen when you laugh → wrinkle SYN laugh lines American English
Examples from the Corpus
laughter lines• His eyes, meeting hers, were intensely blue and lively and she noticed the fine laughter lines on his face.• Do not leave too much sitting in laughter lines or they will seem like crevices!• Creases in its leather are like the laughter lines of an elegant lady of a certain age.• There were tiny laughter lines at the corners of the eyes. 