Across
- 2. half of a sphere
- 5. a bike with 3 wheels
- 6. a bike with 2 wheels
- 7. a pair of glasses wit h2 parts of focal points
- 8. all matter and space
- 10. a game or round before the final
- 13. half of a circle
Down
- 1. a mythical animal with a horn
- 2. half of a cycle
- 3. an instrument with a lens for both eyes
- 4. an aircraft with 2 pairs of wings
- 6. every 2 weeks
- 9. clothing worn by all members of a team
- 11. a shape with 3 sides
- 12. half of a year