sails
n. countable A2 Elementary US //ˈseɪɫz// UK //sˈeɪlz// sails
n. large pieces of strong cloth on a boat that catch the wind to make the boat move. You can also use this word for the flat parts of a windmill.
n. sheets of fabric or other material used to catch the wind to propel a vessel or provide power to a windmill. Plural form of 'sail'.
The sailors raised the sails as the wind picked up.
The white sails of the yacht were visible from the shore as it crossed the bay.
Modern racing yachts often use sails made of carbon fiber and other synthetic materials to maximize speed and durability in harsh ocean conditions.
Usage
Commonly used in the plural when referring to the entire set of fabric on a ship.