What is the meaning of Corduroy?

A heavy fabric, usually made of cotton, with vertical ribs.

Cheap and poor-quality whiskey.

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.

Of a road, path, etc., paved with split or round logs laid crosswise side by side.

To make (a road) by laying down split logs or tree-trunks over a marsh, swamp etc.

Source: wiktionary.org