Across
- 2. thoroughfare for the conveyance of traffic that mostly has an improved surface for use by vehicles
- 5. composite material
- 7. various surgical tools
- 8. a bridge with abutments at each end shaped as a curved arch
- 10. the infrastructure that conveys sewage
- 11. curved vertical structure spanning an open space underneath it.
- 12. ancient missile weapon that launched either bolts or stones at a distant target
- 13. structures used to conduct a water stream across a hollow or valley.
Down
- 1. place with heated rooms and pools, promoting hygiene and socializing.
- 3. a rounded roof on a building or a room
- 4. numeral system, based on a combination of letters
- 6. mechanism used in water mills, for mechanical power transmission.
- 9. erected to commemorate military victories, with the Arch of Constantine being a famous example.