Across
- 2. to make one
- 7. 1000 billion
- 9. 1000 million
- 11. using two languages
- 13. a two footed animal
- 14. a two winged airplane
- 16. to divide
- 17. a wheeled vehicle
- 18. one single
- 19. taking place twice a year
- 20. figure with three side
Down
- 1. two twice
- 2. of or pertaining to one language
- 3. taking place two hundred years
- 4. a one legged support
- 5. of or pertaining three languages
- 6. being one side
- 8. a three legged stand or support
- 10. figure having three sides
- 12. an animal with one horn
- 15. lasting for two years