corrugate[ verb kawr-uh-geyt, kor-; adjective kawr-uh-git, -geyt, kor- ]SEE DEFINITION OF corrugate
EXAMPLES FROM THE WEB FOR CORRUGATE
Flutes, 72 four inches deep, corrugate the beast's underpart from tail to neck.
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.