vel•lumPronunciation: (vel'um), [key]
calfskin, lambskin, kidskin, etc., treated for use as a writing surface.
a manuscript or the like on vellum.
a texture of paper or cloth resembling vellum.
made of or resembling vellum.
bound in vellum.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.