UNDULATE

I. adjective or ~d see: water Date: 1658 having a wavy surface, edge, or markings , II. verb (-lated; -lating) Etymology: Late Latin undula small wave, from Latin *undula Date: 1664 intransitive verb to form or move in waves ; fluctuate , to rise and fall in volume, pitch, or cadence, to present a wavy appearance, transitive verb to cause to move in a wavy, sinuous, or flowing manner, see: swing