Bible Dictionaries
Undulatory

Webster's Dictionary

(a.) Moving in the manner of undulations, or waves; resembling the motion of waves, which successively rise or swell rise or swell and fall; pertaining to a propagated alternating motion, similar to that of waves.

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