The Only Use of
undulate
in
To Kill a Mockingbird
- From time to time she would open her mouth wide, and I could see her tongue undulate faintly.
p. 123.2undulate = move in a wave-like motion
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