noun
muslin
MUZ-lin/ˈmʌzlɪn/
A plain-woven cotton fabric, often light and loosely woven.
The loosely folded muslin reveals its thin, plain-woven cotton structure.

Etymology
Mussolina names cloth after Mosul, where it was made. The fabric name shifted from a luxurious, delicately woven material to the ordinary lightweight cotton cloth meant today.
In context
It's basically a very thin cotton muslin fabric with a range of checks, usually multiple different colors
More examples
- The tailor tests the pattern with inexpensive muslin.
- We strain the broth through a piece of muslin.
- These muslin curtains let in plenty of light.
Similar words
- gauze
- Usually more open and transparent, often used for medical dressings.
- cheesecloth
- Typically more loosely woven, especially for straining food.