Both Uses
undulate
in
Inheritance, by Christopher Paolini
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- One of the creatures had retreated within its shell; the others were hurrying away upon their undulating, skirtlike bellies.†
Chpt 50 *
- The snalgli's eyeballs waved even faster, and then it charged at him, the edges of its flat belly undulating.†
Chpt 53
Definitions:
-
(1)
(undulate) a smooth wave-like motion (physical or auditory)
or:
having a wavy or rippled form or surface - (2) (meaning too rare to warrant focus)