from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To shape into folds or parallel and alternating ridges and grooves.
- intransitive v. To become shaped into such folds or ridges and grooves: "Now the immense ocean . . . sensed the change. Its surface rippled and corrugated where sweeping cloud shadows touched it” ( John Updike).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To wrinkle.
- v. To fold into parallel folds, grooves or ridges.
from the GNU version of the Collaborative International Dictionary of English
- adj. Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
- transitive v. To form or shape into wrinkles or folds, or alternate ridges and grooves, as by drawing, contraction, pressure, bending, or otherwise; to wrinkle; to purse up.
from The Century Dictionary and Cyclopedia
- To wrinkle; draw or contract into folds; pucker: as, to corrugate the skin; to corrugate iron plates for use in building.
- Wrinkled; contracted; puckered.
- In zoology and botany, having a wrinkled appearance: applied to a surface closely covered with parallel and generally curved or wavy sharp ridges which are separated by deep and often depressed lines.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. fold into ridges
Latin corrūgāre, corrūgāt-, to wrinkle up : com-, com- + rūgāre, to wrinkle (from rūga, wrinkle).(American Heritage® Dictionary of the English Language, Fourth Edition)