Both Uses of
undulate
in
Inheritance, by Christopher Paolini
- 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
Definition:
a smooth wave-like motion (physical or auditory)
or:
having a wavy or rippled form or surface
or:
having a wavy or rippled form or surface