From Longman Dictionary of Contemporary Englishridgedridged /rɪdʒd/ adjective CSsomething that is ridged has ridges on its surface the ridged sand of the river bottom
Examples from the Corpus
ridged• The Gutter Helmet is a thin piece of ridged aluminum that fits completely over the gutter.• The ridged and tufted counterpane has been carefully and frequently laundered.• Cook the chicken in a ridged cast-iron skillet.• For large bed filter plates it has been found that just about any ridged or semi ridged plastic will suffice.• Or a hedgehog soap that sits in its own wooden ridged soap dish, stylishly packed, for £8.95.• The ridged surface that results tends to prevent panning. 