Shaped into grooves and ridges (10)
I believe the answer is:
corrugated
(Other definitions for corrugated that I've seen before include "groovy!" , "wrinkled" .)
I've seen this clue in the Sydney Morning Herald.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.