puck ‧ er /ˈpʌkə $ -ər/ BrE AmE ( also pucker up ) verb
[ Date: 1500-1600 ; Origin: Probably from poke 'bag' (13-20 centuries) , from Old North French ; ⇨ ↑ pocket 1 ]
1 . [intransitive and transitive] if part of your face puckers, or if you pucker it, it becomes tight or stretched, for example because you are going to cry or kiss someone:
Her mouth puckered, and she started to cry.
2 . [intransitive] if cloth puckers, it gets lines or folds in it and is no longer flat
—pucker noun [countable]
—puckered adjective