verb (past and past participleun·du·lat·ed, present participleun·du·lat·ing, 3rd person present singularun·du·lates)
Definition:
1. transitive and intransitive verb move sinuously like waves: to move in waves or in a movement resembling waves, or cause something to move in this way
2. intransitive verb go up and down gracefully: to rise and fall gracefully in volume or pitch
adjective
Definition:
wavy in appearance: with a wavy appearance, edge, or markings
[Mid-17th century. < Latin undulatus "wavy" < unda "wave"]
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