pajama
n. countable A2 Elementary US //pəˈdʒæmə// UK //pɐdʒˈɑːmɐ// pa·ja·ma
n. a piece of clothing you wear to sleep in. It is usually made of soft cotton and has a loose fit.
n. a garment worn for sleeping or relaxation, typically consisting of a loose-fitting top and trousers. Often used in the plural to refer to the set as a whole.
I wear my favorite pajama every night.
She changed into her silk pajama before reading a book in bed.
The hotel provides a set of high-thread-count cotton pajama for guests who prefer to sleep in the comfort of the resort's own fabric.