Bible Dictionaries
Light Year

Webster's Dictionary

The distance over which light can travel in a year's time; - used as a unit in expressing stellar distances. It is more than 63,000 times as great as the distance from the earth to the sun.

Bibliography Information
Webster, Noah. Entry for 'Light Year'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​l/light-year.html. 1828.