Bible Dictionaries
Parallelogram

Webster's Dictionary

(n.) A right-lined quadrilateral figure, whose opposite sides are parallel, and consequently equal; - sometimes restricted in popular usage to a rectangle, or quadrilateral figure which is longer than it is broad, and with right angles.

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