Across
- 4. an upright pillar, usually made of stone or concrete, supporting other architectural elements
- 5. a perfectly round, three-dimensional object
- 8. made of exactly similar parts that face each other across an axis
- 10. a very hard stone with crystal elements, often used in buildings or monuments
- 12. the continuous line that forms the edge of a closed shape
Down
- 1. a metal that is a mixture of copper and tin
- 2. a recess in a wall, often for a statue
- 3. a solid with six, equally sized square sides
- 6. a large, round room or building
- 7. the front of a building, or another side given special architectural attention
- 9. a hard stone, usually white with off-colored streaks, often polished and used in buildings or sculpture
- 11. a section of roof shaped like a half sphere