1. To cause to move in a smooth wavelike motion. 2. To give a wavelike appearance or form to.
INTRANSITIVE VERB:
1. To move in waves or with a smooth, wavelike motion. See synonyms at swing. 2. To have a wavelike appearance or form. 3. To increase and decrease in volume or pitch as if in waves.
ADJECTIVE:
(-lt, -lt) Having a wavy outline or appearance: leaves with undulate margins.
ETYMOLOGY:
From Late Latin undula, small wave, diminutive of Latin unda, wave. See wed-1 in Appendix I.
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