rolling pin
US /ˈroʊlɪŋ pɪn/
UK /ˈroʊlɪŋ pɪn/

1.
a cylinder rolled over pastry or dough to flatten it
:
•
She used a rolling pin to flatten the pie crust.
•
The baker always keeps his rolling pin clean.
a cylinder rolled over pastry or dough to flatten it