roommate
a person who shares a room or residence with another
My roommate is studying for the exams in the living room.
showroom
a place where goods are displayed for sale or demonstration
The car manufacturer opened a new showroom downtown.
boardroom
a room in which a company's board of directors meets
The decision was announced in the boardroom.
restroom
a room with toilet facilities; a public toilet
Excuse me, where is the nearest restroom?
courtroom
a room where legal cases are heard and decided
The trial was held in the courtroom this morning.
anteroom
a small room leading to a main one; a waiting area
Guests waited in the anteroom before the ceremony began.
storeroom
a room used for storing goods, supplies, or equipment
We keep extra chairs in the storeroom.
tearoom
a small restaurant or café where tea is served
They met at a quaint tearoom for afternoon tea.
bedroom
a room used primarily for sleeping
Her bedroom has a large window overlooking the garden.
classroom
a room in which teaching and learning take place
Students returned to the classroom after the break.