[vel.lum] n [ME velim, fr. MF veelin, fr. veelin, adj., of a calf, fr. veel calf--more at veal] (15c) 1: a fine-grained unsplit lambskin, kidskin, or calfskin prepared esp. for writing on or for binding books
2: a strong cream-colored paper
[2]vellum adj (1565) 1: of, resembling, or bound in vellum
2: slightly rough "paper with a ~ finish"