Muslin is a loosely woven fabric that originated in present Bangladesh, and was introduced to Europe in the 17th century by the Middle East. It was a very popular fabric structure at the end of the 18th century in France. It is often used to sew, such as clothing, curtains, or coating patterns. As the air moves easily through muslin, muslin clothing is suitable for hot, dry climates. The word muslin is also used colloquially. In the UK, many pure cotton called muslin, while in the United States, muslin sometimes refers to a thick cloth for daily use, in the United Kingdom and Australia is known as Calico. In British slang, muslin used to refer to women or femininity, while in nautical slang, muslin can refer to the sails of a ship.