Navigational Instrument for Measuring Distance

This page is the CodyCross answer for the clue below from World of Books, Group 294, Puzzle 3 (Reference Materials).

Question is: Navigational Instrument for Measuring Distance

and the answer is: SEXTANT

Word Meaning:

SEXTANT — (nautical) A navigational device for deriving angular distances between objects so as to determine latitude and longitude.

Definitions from Wiktionary.

Navigational instrument for measuring distance — CodyCross Answer | CodyCross Solutions