villus /ˈvɪləs/ noun2 •A small projection from a membrane, particularly those found in the mucous membranes of the intestines.where a villus comes next to a gland the short cubical cells of the gland may be traced into the columnar cells of the villus , the hyaline border becoming more marked — 1880 •One of the fine soft hairs on fruits, flowers, and other parts of plants. formsvilli