cor•ru•gate
Pronunciation: (v.kôr'u-gāt", kor'-adj.kôr'u-git, -gāt", kor'-), [key] — v., adj. -gat•ed, -gat•ing,
—v.t. - to draw or bend into folds or alternate furrows and ridges.
- to wrinkle, as the skin or face.
- to make irrigation ditches in (a field).
—v.i. - to become corrugated; undergo corrugation.
—adj. - corrugated; wrinkled; furrowed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.