Bible Dictionaries
Helical

Webster's Dictionary

(a.) Of or pertaining to, or in the form of, a helix; spiral; as, a helical staircase; a helical spring.

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