Bible Dictionaries
Semisextile

Webster's Dictionary

(n.) An aspect of the planets when they are distant from each other the twelfth part of a circle, or thirty degrees.

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