Afro-Cuban percussion, loungy jazz textures, and rock psychedelia undulate together in a hypnotically soulful way.

NPR: The Sounds of Panama's Mixed Musical Heritage

Hallways on either side undulate with a tunnel of pulsing blue, then purple, lights.

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On Maui, though, lushly groomed fairways undulate next the sea in the shadow of the spectacular volcano Haleakala.

BBC: Prime time for golf holiday homes

Smiling a little, Moncayo shifted his weight from one foot to the other, until the whole surface began to undulate beneath him.

NEWYORKER: Reversal of Fortune

This signal causes the surface of the crystal to undulate.

ECONOMIST: MONITOR

Designers can type in descriptors such as "sharpness" or "acceleration" (which refers to a curve's severity) and watch as the lines of a sports car or tea kettle automatically undulate.

FORBES: Easy Designer

The walls undulate and disappear into the floor.

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