The Collaborative International Dictionary of English v.0.48:

Napery \Na"per*y\, n.; pl. Naperies. [OF. naperie, fr. nape a
   tablecloth, F. nappe, LL. napa, fr. L. mappa. See Map, and
   cf. Apron, Napkin.]
   Table linen; also, linen clothing, or linen in general.
   [Obs.] --Gayton.
   [1913 Webster]