noun
swatch
SWAHCH/swɑːtʃ/
A small sample showing a material or color.
Each fabric swatch shows a different sample material.

Etymology
Swatch first meant a tally countercheck, then a tally attached to cloth sent for dyeing, before meaning a fabric sample. This cloth-related history is known even though the word’s origin is not.
In context
If you want to be extra careful, you can test your iron on a swatch of fabric first to make sure.
More examples
- The tailor showed us a swatch of the fabric.
- A small swatch revealed the rug’s texture.
- He selected a blue swatch for the new upholstery.
Forms
swatch · swatches