The Collaborative International Dictionary
Corrugate \Cor"ru*gate\ (k?r"r?-g?t), a. [L. corrugatus, p. p. of corrugare; cor-+ rugare to wrinkle, ruga wrinkle; of uncertain origin.] Wrinkled; crumpled; furrowed; contracted into ridges and furrows.
Corrugate \Cor"ru*gate\ (-g?t), v. t. [imp. & p. p. Corrugated (-g?`t?d); p. pr. & vb. n. Corrugating (-g?`t?ng).] 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; as, to corrugate plates of iron; to corrugate the forehead.
Corrugated iron, sheet iron bent into a series of alternate ridges and grooves in parallel lines, giving it greater stiffness.
Corrugated paper, a thick, coarse paper corrugated in order to give it elasticity. It is used as a wrapping material for fragile articles, as bottles.
Douglas Harper's Etymology Dictionary
1620s; implied earlier as a past participle adjective (early 15c.), from Latin corrugatus, past participle of corrugare "to wrinkle very much," from com-, intensive prefix (see com-), + rugare "to wrinkle," which is of unknown origin.
Wiktionary
(context obsolete English) corrugated; wrinkled; crumpled; furrowed v
1 (context of the skin English) To wrinkle. 2 To fold into parallel folds, grooves or ridges.
WordNet
v. fold into ridges; "corrugate iron"
Usage examples of "corrugate".
The stun bunny left her with a persistent nosebleed and an eternal throbbing headache, and every time the van hit a chuckhole, her head bounced on the Corrugated steel floor.
Major - de Coverley swept it away with mighty displeasure the moment he recognized what it was, his good eye flaring up blindingly with fiery disdain and his enormous old corrugated face darkening in mountainous wrath.
A long wooden room with thick rafters holding up the corrugated carbon-sheet roof, a counter running its length, dull neon adverts for extinct brands of beers and ice creams on the wall behind.
The Customs shed was corrugated iron, manned by three bored workers in grimy white canvass jackets, supervised by a clerk who wore a blue guayabera shirt with CoDominium badges sewed to the epaulettes.
Along with the rest of the aircrew, he got out of the Lanc in a hurry and sprinted across the tarmacnow blacked out againfor the Nissen hut whose corrugated metal walls were surrounded by sandbags to protect against blast.
On the lakefront was a bar nailed together from unpainted scrap wood and corrugated tin.
He led the way through a reptilious swamp and into the fringe of a nispero forest, where they came upon a hut with a roof of corrugated iron and walls of wattled bamboo.
In the outlines of stillborn streets shacks of concrete and corrugated iron blistered overnight.
The masks had two round eyepieces that combined with the long, snoutlike corrugated rubber breathing tube to give the wearers an unhuman appearance.
I turned to Yuki now as she spoke, her voice choppy with agitation, her face corrugated with worry.
They rocked along in a jangle of light past appliance shops with Aztec temples painted on their facades, bodegas clubs souvenir shops, their bright windows aglitter with crystal crosses gilt madonnas rhinestone eagle knives flashing in miles of red midnight, little stucco caves with corrugated iron doors rolled partway down, interiors littered with every form of cheapness: mirrors with ornate tin frames, torrero capes with airbrushed scenes from the Plaza del Toros, sombreros festooned with embroidery and bits of broken mirror, switchblades with dragons worked in gold paint you could scrape off with your thumbnail.
Corrugated breathing tubes led back to lightweight recalculating gear carried like a hump on the back.
There was another door in the second room, and a corrugated rollup door for truck deliveries.
Liberator droned north and west across the Bay of Biscay, above the corrugated mat of cloud, towards the Coastal Command base at St-Just.
Outside the gate fifty-gallon oil drums had been cut in half and set up for grilling, covered with everything from what looked like braided coat hangers to corrugated iron, piled high with shrimp, snapper, chorizo, mounds of green onions, peppers, mystery meats.