n. [ F. nappe cloth, sheet. See Napery. ] (Geom.) Sheet; surface; all that portion of a surface that is continuous in such a way that it is possible to pass from any one point of the portion to any other point of the portion without leaving the surface. Thus, some hyperboloids have one
n. [ From 2d Nappy. ] The quality of having a nap; abundance of nap, as on cloth. [ 1913 Webster ]
n.
a. [ From 1st Nap. ]
a. [ From 3d Nap. ] Having a nap or pile; downy; shaggy. Holland. [ 1913 Webster ]
n.;
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