verb (used with object), cor·ru·gat·ed, cor·ru·gat·ing.
verb (used without object), cor·ru·gat·ed, cor·ru·gat·ing.
Origin of corrugate
Related formscor·ru·gat·ed, adjectivecor·ru·ga·tor, nounun·cor·ru·gat·ed, adjective
Examples from the Web for corrugate
However, "broad-browed Verulam," let not that brow's breadth cloud or corrugate in vexation at my persiflage.
Yet we had watched his smooth brow furrow and corrugate as under some carking care or devouring sorrow.Moon-Face and Other Stories|Jack London
Flutes, 72 four inches deep, corrugate the beast's underpart from tail to neck.Seven Legs Across the Seas|Samuel Murray