Swimsuit (noun)

1. A piece of clothing worn for swimming, typically a one-piece or two-piece outfit for women or a pair of trunks for men.
2. A type of clothing worn while swimming, typically made of a stretchy, fast-drying fabric.

Origin:

From the phrase "swim suit" which refers to clothing worn for swimming.

Examples:

1. She was wearing a red swimsuit.
2. He was wearing a black swimsuit.
3. The swimsuit was made of a quick-drying fabric.
4. The swimsuit had a built-in bra for added support.
5. The swimsuit was designed to be worn while doing laps in the pool.