Pajama (noun)

1. Loose-fitting pants worn by both men and women, often made of cotton or silk, and typically worn for sleeping or lounging.
2. A matching top worn with pajama pants.

Origin:

From the hindi word "paejama" or "payjama" meaning "leg garment".

Examples:

1. I like to wear my pajama when I'm watching TV at home.
2. She was still in her pajama and robe when her guests arrived.
3. He was wearing a pajama and t-shirt when he came to answer the door.
4. Pajama party is a common way for girls to spend their time together.
5. The pajama is a traditional attire worn in India and Pakistan.