| Protruding out the open sides were thick rolls of flesh that undulated like two well-fed seals. |
| Electric currents could convey sound along a wire if they undulated in accordance with the sound waves. |
| A minor shock wave undulated through me as I wondered how I could have possibly been out of it that long. |
| The dragon's serpentine body undulated like cloth in a fierce wind, nearly knocking Doriel off twice. |
| A belted kingfisher undulated past, some unlucky minnow in its stiletto-like bill. |
| The durable material, the undulated top layer of the mattress and the luxury design present you an unknown comfort never experienced before. |
