| Answer | Crossword Clue |
|---|---|
| hypogea | the underground part of a building, as a vault |
| plasterwork | Plaster as part of the interior of a building, esp. covering the surface of a wall or formed into decorative shapes and patterns |
| firewall | partition made of fireproof material to prevent the spread of a fire from one part of a building or ship to another or to isolate an engine compartment, as on a plane, automobile, etc. |
| vaulted | constructed or covered with a vault, as a building or chamber |
| clubhouse | A building or part of a building used by a sports team, esp. a baseball team, as a locker room |
| clubhouses | A building or part of a building used by a sports team, esp. a baseball team, as a locker room |
