Vellum

vel'lum, n. A fine kind of parchment. [F. velin, LL. vitidinium, or peliis vitulina, prepared calf-skin, fr. L. vitulus, a calf: see Veal.] "Velocity, ve-los't-tt, n. Quickne of motion. (Mech.) Rate of motion; relation of motion to time, measured by the number of units of space pa ed over by the moving body in a unit of time. Swiftne ; celerity; rapidity; speed. [F. velocite, L. velocitas, velox, velocis, swift, flying; volare, to fly see Volant.] — Vel'ocim'eter, -sin i'e-ter, n. An apparatus for measuring the speed of machinery. [L. velox and Gr. metron, measure.] — Veloc'ipede, -los'I-ped, n. A light vehicle or carriage pn by the rider. [L. velox and pes, ped is, foot.]