WordReference Random House Unabridged Dictionary of American English © 2025
cor•ru•ga•tion
(kôr′ə gā′shən, kor′-),USA pronunciation n.
- the act or state of corrugating or of being corrugated.
- a wrinkle;
fold;
furrow;
ridge.
- Medieval Latin corrūgātiōn- (stem of corrūgātiō) a wrinkling. See corrugate, -ion
- 1520–30
'corrugation' also found in these entries (note: many are not synonyms or translations):