Bible Dictionaries
Decagon

Webster's Dictionary

(n.) A plane figure having ten sides and ten angles; any figure having ten angles. A regular decagon is one that has all its sides and angles equal.

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