Bible Dictionaries
Oblongum

Webster's Dictionary

(n.) A prolate spheroid; a figure described by the revolution of an ellipse about its greater axis. Cf. Oblatum, and see Ellipsoid of revolution, under Ellipsoid.

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