| Answer | Crossword Clue |
|---|---|
| ATTIC | Room with an insulated floor, maybe |
| EIK | Feature of an apt. with no dining room, maybe |
| hypocausts | A hollow space under the floor of an ancient Roman building, into which hot air was sent for heating a room or bath |
| hypocaust | A hollow space under the floor of an ancient Roman building, into which hot air was sent for heating a room or bath |
