Last seen in:
Related Clues:
- Flower center
- Lashes grow from it
- Organ on the Great Seal of the United States
- A patch may cover one
- Peacock-tail illusion
- There may be a shadow on it
- See 1
- See 14
- Cap for a pupil
- Look both ways
- Optical shutter
- One sees part of rare object in haystack
- Movable sight screen
- Shutter usually closed at night
- I heard hat serves as a protective covering