Enter a clue or pattern or both:
The Clue
Dome opening, in architecture (6 letter answer)
The Answer
OCULUS
Tags
Notes
The answer OCULUS is so rare that it appears less than once every 2500 puzzles.
Related Clues
Eye
___ mundi (opal)
Definition
OCULUS as a noun:
1. (eye, oculus, optic) = the organ of sight