Sweatshirt (noun)

1. A type of shirt made of a heavy, warm fabric, typically with long sleeves and a crew neck, worn for warmth or as casual wear.
2. A shirt made of a thick, cotton fabric with long sleeves and typically worn as casual wear or for sports.

Origin:

From the phrase "sweat shirt" which refers to a shirt designed to absorb sweat.

Examples:

1. He was wearing a black sweatshirt and jeans.
2. She pulled on a sweatshirt to keep warm.
3. The sweatshirt was perfect for a brisk fall day.
4. The sweatshirt was embroidered with the school's logo.
5. The sweatshirt was comfortable and easy to move in.