corduroy UK /ˈkɔːdəɹɔɪ/US /ˈkɔɹdəɹɔɪ/noun 3adjective 1verb 1forms 3 noun3 •A heavy fabric, usually made of cotton, with vertical ribs.We turned to see a muscular young man lounging in the door which led into the sitting-room. He wore green corduroy trousers, a duffle coat and an old school tie. — 1956 •A pattern on snow resulting from the use of a snow groomer to pack snow and improve skiing, snowboarding and snowmobile trail conditions. Corduroy is widely regarded as a good surface on which to ski or ride. •(slang, no longer used) Cheap and poor-quality whiskey.Another description of what would be termed adulterated spirits, is by the vulgar termed "Corduroy," on account of the rough feeling which it imparts to the tongue and palate. — 1834 adjective1 •Of a road, path, etc., paved with split or round logs laid crosswise side by side.Swamps had to be crossed by means of corduroy causeways; made by cutting down trees and laying them horizontally on the quivering mass of boggy ground. — 1887 verb1 •To make (a road) by laying down split logs or tree-trunks over a marsh, swamp etc.The night was very dark and it rained heavily, the roads were so bad that the troops had to cut trees and corduroy the road a part of the way, to get through. — 1886 formscorduroyed · corduroying · corduroys