noun vel·vet \ ˈvel-vət \
a clothing and upholstery fabric (as of silk, rayon, or wool) characterized by a short soft dense warp pile
Simplified: soft, smooth fabric; you know, "smooth like velvet"
noun cor·du·roy \ ˈkȯr-də-ˌrȯi \
a durable usually cotton pile fabric with vertical ribs or wales
Simplified: a ridged form of velvet