Across
- 4. a one-wheeled vehicle on which the rider sits and pedals
- 7. moving in only one direction
- 8. to join together into one group
- 9. one-sided
Down
- 1. Having only one cell
- 2. a horse-like fabled animal that has one horn growing out of the middle of its forehead
- 3. one group
- 5. a one-piece leotard and tights combination
- 6. one of a kind; unusual or rare
- 8. an instance of saying the same words or sounds at the same time; a group that sounds like one