To undulate is to move in a gentle, rolling, wave-like motion.(verb)
When the ocean current gently moves with the breeze, this is an example of undulate.
See undulate in Webster's New World College Dictionary
Origin: < L undulatus, undulated < *undula, dim. of unda, a wave: see water
See undulate in American Heritage Dictionary 4
verb un·du·lat·ed, un·du·lat·ing, un·du·lates verb, transitive
Origin: From Late Latin undula, small wave
Origin: , diminutive of Latin unda, wave; see wed-1 in Indo-European roots.
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