Last seen in:
Related Clues:
- Incalculable amounts of time
- Stellar periods
- Long, long periods
- Quite a long time
- Short jackets for boys
- How long it takes canyons to form
- Some British jackets and collars
- Ages and ages and ages
- Immeasurable time
- One billion years, geologically
- A seeming eternity
- Billion-year increments, in geology
- Jackets with wide lapels
- Detachable collars
- Part of some school uniforms