A small piece of cloth that is used to show what the cloth looks like.
Swatches are often used when choosing fabric for clothes or furniture.
Examples:
She looked at the swatch to see if she liked the color.
The swatch of fabric was very pretty.
I need a swatch to see if it matches the curtains.
He used the swatch to make a tiny shirt for his toy bear.
The swatch was so small, it was like a piece of a cloud.
The swatch felt soft and smooth in her hand.