only 1 use
(click/touch triangles for details)
- She snatched the black skirt from the hook on the wall and threw it toward the wraithlike creature undulating there on the bed of the wagon, a grotesque expression of pain plastered on the girl's face.4 — 1909 (80% in)
There are no more uses of "undulate" in Rose Red.
Typical Usage (best examples)