Corduroy \Cor"du*roy`\ (k[^o]r"d[-u]*roi` or k[^o]r`d[-u]*roi"), n. [Prob. for F. corde du roi king's cord.] 1. A sort of cotton velveteen, having the surface raised in ridges. 2. pl. Trousers or breeches of corduroy. {Corduroy road}, a roadway formed of logs laid side by side across it, as in marshy places; -- so called from its rough or ribbed surface, resembling corduroy. [U.S.]