| Answer | Crossword Clue |
|---|---|
| COASTS | Rolls along easily |
| TAXIWAY | What a plane rolls along |
| tumblebugs | A dung beetle that rolls balls of dung along the ground |
| tumblebug | A dung beetle that rolls balls of dung along the ground |
| cycloidal | of or like a cycloid, a curve traced by a point on the circumference of a circle which rolls along a straight line |
| cycloidally | CYCLOIDAL, of or like a cycloid, a curve traced by a point on the circumference of a circle which rolls along a straight line |
