hem
Definitions
The edge of a piece of cloth or clothing that has been turned under and sewn down.
To fold back and sew down the edge of a piece of cloth.
To surround or restrict someone or something, often used with 'in'.
Examples
She decided to hem the bottom of her new dress to make it the perfect length.
The tailor carefully folded the fabric to create a neat hem along the edge of the trousers.
The mountains hem the valley on all sides, creating a secluded and peaceful landscape.