■ verb 'ʌndjʊleɪt move with a smooth wave-like motion.
↘[usu. as adjective undulating ] have a wavy form or outline.
■ adjective 'ʌndjʊlət Botany & Zoology having a wavy surface or edge.
Derivatives
~ly adverb
undulation noun
undulatory adjective
Origin
C17: from late L. undulatus , from L. unda 'a wave'.