Bible Dictionaries
Demicircle

Webster's Dictionary

(n.) An instrument for measuring angles, in surveying, etc. It resembles a protractor, but has an alidade, sights, and a compass.

Bibliography Information
Webster, Noah. Entry for 'Demicircle'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​d/demicircle.html. 1828.