Across
- 2. a single thing or group
- 4. speaking or singing at the same time
- 5. to join together into one group
- 6. moving in only one direction
- 7. having only one cell
Down
- 1. a mythical horse-like animal with one horn
- 2. a one-wheeled vehicle ridden by pedaling
- 3. one of a kind; rare or special
- 5. a one-piece leotard with tights
- 8. one-sided; involving only one group