| Answer | Crossword Clue |
|---|---|
| treadle | lever worked by the foot to drive a machine |
| treadles | lever worked by the foot to drive a machine |
| treadler | lever worked by the foot to drive a machine |
| treadle | a swiveling or lever device pressed by the foot to drive a machine |
| catapults | A military machine worked by a lever and ropes for hurling large stones or other missiles |
| machinable | (of a material) Able to be worked by a machine tool |
