only 1 use
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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
- In the moonlight, it looked like a cross between a giant shrimp and a cockroach, with a pink chitinous shell, a flat crayfish tail, and millipede-type legs undulating hypnotically as the monster scraped against the hull of the Argo II.p. 278.1
There are no more uses of "undulate" in The Mark of Athena.
Typical Usage
(best examples)