A fold or pinched bunch of fabric caused by the shrinkage of one layer among many.(noun)
Present participle of pucker.(verb)
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Use "puckering" in a sentence
"Unfortunately the puckering is really distracting and it's not Althea's best work."
"The girl regarded him gravely, a puzzled expression puckering her face."
"This was the same man who had coolly stolen wife and property from his own brother and then had jeered at him, probably with that same expression puckering about his evil, gray eyes."