When discussing a building dedicated to worship, the term "church room" is often used. However, there are a variety of synonyms that can be used to describe this space. For instance, some might refer to it as a chapel, sanctuary, or even simply a worship space. Additionally, "narthex" and "vestibule" could be used to describe the entryway of a church, where attendees might gather before entering the main worship space. Other words that may be used to describe a church room include "apse," "choir," "transept," and "nave." In the end, the term used will depend on the size and layout of the space, as well as the preference of the speaker.