Quarter-Circle Instrument to Measure Star Angles
This page is the CodyCross answer for the clue below from Making a Documentary, Group 1507, Puzzle 1 (Black and White).
Question is: Quarter-Circle Instrument to Measure Star Angles
and the answer is: QUADRANT
Word Meaning:
QUADRANT — One of the four sections made by dividing an area with two perpendicular lines.
Definitions from Wiktionary.