| Answer | Crossword Clue |
|---|---|
| ratchets | A bar or wheel that has such a set of teeth |
| ratchets | A device consisting of a bar or wheel with a set of angled teeth in which a pawl, cog, or tooth engages, allowing motion in one direction only |
| hereditary | (of a set) Defined such that every element that has a given relation to a member of the set is also a member of the set |
