Enter a clue or pattern or both:
The Clue
Viewer on the Nautilus (9 letter answer)
The Answer
PERISCOPE
Tags
Notes
The answer PERISCOPE is so rare that it appears less than once every 2500 puzzles.
Related Clues
Means of looking above and beyond
Definition
PERISCOPE as a noun:
1. an optical instrument that provides a view of an otherwise obstructed field